55111311311170 has 32 divisors (see below), whose sum is σ = 100598922072576. Its totient is φ = 21733741512000.

The previous prime is 55111311311027. The next prime is 55111311311171. The reversal of 55111311311170 is 7111311311155.

It is not an unprimeable number, because it can be changed into a prime (55111311311171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55706872 + ... + 56687548.

It is an arithmetic number, because the mean of its divisors is an integer number (3143716314768).

Almost surely, 2^{55111311311170} is an apocalyptic number.

55111311311170 is a deficient number, since it is larger than the sum of its proper divisors (45487610761406).

55111311311170 is a wasteful number, since it uses less digits than its factorization.

55111311311170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059906.

The product of its (nonzero) digits is 1575, while the sum is 31.

The spelling of 55111311311170 in words is "fifty-five trillion, one hundred eleven billion, three hundred eleven million, three hundred eleven thousand, one hundred seventy".