9155551211152 has 20 divisors (see below), whose sum is σ = 17770388269680. Its totient is φ = 4569644560928.

The previous prime is 9155551211123. The next prime is 9155551211173. The reversal of 9155551211152 is 2511121555519.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 9155551211099 and 9155551211108.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 508181002 + ... + 508199017.

It is an arithmetic number, because the mean of its divisors is an integer number (888519413484).

Almost surely, 2^{9155551211152} is an apocalyptic number.

It is an amenable number.

9155551211152 is a deficient number, since it is larger than the sum of its proper divisors (8614837058528).

9155551211152 is a wasteful number, since it uses less digits than its factorization.

9155551211152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016380590 (or 1016380584 counting only the distinct ones).

The product of its digits is 112500, while the sum is 43.

The spelling of 9155551211152 in words is "nine trillion, one hundred fifty-five billion, five hundred fifty-one million, two hundred eleven thousand, one hundred fifty-two".