1128694962690 has 96 divisors (see below), whose sum is σ = 3063335124096. Its totient is φ = 287792144640.

The previous prime is 1128694962673. The next prime is 1128694962719. The reversal of 1128694962690 is 962694968211.

1128694962690 is a `hidden beast` number, since 1 + 1 + 2 + 86 + 9 + 496 + 2 + 69 + 0 = 666.

It is a super-2 number, since 2×1128694962690² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5553342 + ... + 5752998.

It is an arithmetic number, because the mean of its divisors is an integer number (31909740876).

Almost surely, 2^{1128694962690} is an apocalyptic number.

1128694962690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1128694962690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1531667562048).

1128694962690 is an abundant number, since it is smaller than the sum of its proper divisors (1934640161406).

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

1128694962690 is a wasteful number, since it uses less digits than its factorization.

1128694962690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202424 (or 202421 counting only the distinct ones).

The product of its (nonzero) digits is 20155392, while the sum is 63.

The spelling of 1128694962690 in words is "one trillion, one hundred twenty-eight billion, six hundred ninety-four million, nine hundred sixty-two thousand, six hundred ninety".