155531414513452 has 24 divisors (see below), whose sum is σ = 272324700803232. Its totient is φ = 77724364924800.

The previous prime is 155531414513443. The next prime is 155531414513521. The reversal of 155531414513452 is 254315414135551.

It is a junction number, because it is equal to n+sod(n) for n = 155531414513396 and 155531414513405.

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, 79399858 + ... + 81335110.

It is an arithmetic number, because the mean of its divisors is an integer number (11346862533468).

Almost surely, 2^{155531414513452} is an apocalyptic number.

It is an amenable number.

155531414513452 is a deficient number, since it is larger than the sum of its proper divisors (116793286289780).

155531414513452 is a wasteful number, since it uses less digits than its factorization.

155531414513452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1945929 (or 1945927 counting only the distinct ones).

The product of its digits is 3600000, while the sum is 49.

The spelling of 155531414513452 in words is "one hundred fifty-five trillion, five hundred thirty-one billion, four hundred fourteen million, five hundred thirteen thousand, four hundred fifty-two".