1061252840844 has 480 divisors, whose sum is σ = 3454582602240. Its totient is φ = 277304601600.

The previous prime is 1061252840833. The next prime is 1061252840891. The reversal of 1061252840844 is 4480482521601.

1061252840844 is a `hidden beast` number, since 1 + 0 + 6 + 1 + 2 + 528 + 40 + 84 + 4 = 666.

It is a super-2 number, since 2×1061252840844² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1061252840844.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 208864384 + ... + 208869464.

It is an arithmetic number, because the mean of its divisors is an integer number (7197047088).

Almost surely, 2^{1061252840844} is an apocalyptic number.

1061252840844 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1061252840844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1727291301120).

1061252840844 is an abundant number, since it is smaller than the sum of its proper divisors (2393329761396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1061252840844 is a wasteful number, since it uses less digits than its factorization.

1061252840844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5291 (or 5280 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 45.

The spelling of 1061252840844 in words is "one trillion, sixty-one billion, two hundred fifty-two million, eight hundred forty thousand, eight hundred forty-four".