155116561442132 has 24 divisors (see below), whose sum is σ = 278890038889056. Its totient is φ = 75435188861088.

The previous prime is 155116561442119. The next prime is 155116561442189. The reversal of 155116561442132 is 231244165611551.

It is a super-2 number, since 2×155116561442132² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186542858 + ... + 187372545.

It is an arithmetic number, because the mean of its divisors is an integer number (11620418287044).

Almost surely, 2^{155116561442132} is an apocalyptic number.

It is an amenable number.

155116561442132 is a deficient number, since it is larger than the sum of its proper divisors (123773477446924).

155116561442132 is a wasteful number, since it uses less digits than its factorization.

155116561442132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373918247 (or 373918245 counting only the distinct ones).

The product of its digits is 864000, while the sum is 47.

The spelling of 155116561442132 in words is "one hundred fifty-five trillion, one hundred sixteen billion, five hundred sixty-one million, four hundred forty-two thousand, one hundred thirty-two".