1161511254696 has 32 divisors (see below), whose sum is σ = 3127145686560. Its totient is φ = 357388078272.

The previous prime is 1161511254653. The next prime is 1161511254707. The reversal of 1161511254696 is 6964521151611.

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 7 ways as a sum of consecutive naturals, for example, 1861395930 + ... + 1861396553.

It is an arithmetic number, because the mean of its divisors is an integer number (97723302705).

Almost surely, 2^{1161511254696} is an apocalyptic number.

It is an amenable number.

1161511254696 is an abundant number, since it is smaller than the sum of its proper divisors (1965634431864).

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

1161511254696 is a wasteful number, since it uses less digits than its factorization.

1161511254696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3722792505 (or 3722792501 counting only the distinct ones).

The product of its digits is 388800, while the sum is 48.

The spelling of 1161511254696 in words is "one trillion, one hundred sixty-one billion, five hundred eleven million, two hundred fifty-four thousand, six hundred ninety-six".