102155716031452 has 36 divisors (see below), whose sum is σ = 189972010063584. Its totient is φ = 48056852462080.

The previous prime is 102155716031399. The next prime is 102155716031477. The reversal of 102155716031452 is 254130617551201.

It is a junction number, because it is equal to n+sod(n) for n = 102155716031399 and 102155716031408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11712049 + ... + 18479272.

It is an arithmetic number, because the mean of its divisors is an integer number (5277000279544).

Almost surely, 2^{102155716031452} is an apocalyptic number.

It is an amenable number.

102155716031452 is a deficient number, since it is larger than the sum of its proper divisors (87816294032132).

102155716031452 is a wasteful number, since it uses less digits than its factorization.

102155716031452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30194286 (or 30194267 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 43.

The spelling of 102155716031452 in words is "one hundred two trillion, one hundred fifty-five billion, seven hundred sixteen million, thirty-one thousand, four hundred fifty-two".