1054243626645 has 96 divisors (see below), whose sum is σ = 1921062044160. Its totient is φ = 492736921600.

The previous prime is 1054243626619. The next prime is 1054243626647. The reversal of 1054243626645 is 5466263424501.

It is not a de Polignac number, because 1054243626645 - 2⁷ = 1054243626517 is a prime.

It is a super-2 number, since 2×1054243626645² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1054243626594 and 1054243626603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054243626647) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 33723412 + ... + 33754658.

It is an arithmetic number, because the mean of its divisors is an integer number (20011062960).

Almost surely, 2^{1054243626645} is an apocalyptic number.

1054243626645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1054243626645 is a deficient number, since it is larger than the sum of its proper divisors (866818417515).

1054243626645 is a wasteful number, since it uses less digits than its factorization.

1054243626645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31947 (or 31936 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 48.

The spelling of 1054243626645 in words is "one trillion, fifty-four billion, two hundred forty-three million, six hundred twenty-six thousand, six hundred forty-five".