102001261556152 has 16 divisors (see below), whose sum is σ = 218574131906160. Its totient is φ = 43714826381184.

The previous prime is 102001261556147. The next prime is 102001261556177. The reversal of 102001261556152 is 251655162100201.

It is a congruent number.

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, 910725549553 + ... + 910725549664.

It is an arithmetic number, because the mean of its divisors is an integer number (13660883244135).

Almost surely, 2^{102001261556152} is an apocalyptic number.

It is an amenable number.

102001261556152 is an abundant number, since it is smaller than the sum of its proper divisors (116572870350008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102001261556152 is a wasteful number, since it uses less digits than its factorization.

102001261556152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821451099230 (or 1821451099226 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 37.

The spelling of 102001261556152 in words is "one hundred two trillion, one billion, two hundred sixty-one million, five hundred fifty-six thousand, one hundred fifty-two".