102155504102 has 8 divisors (see below), whose sum is σ = 158176264512. Its totient is φ = 49430082600.

The previous prime is 102155504047. The next prime is 102155504123. The reversal of 102155504102 is 201405551201.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 823834649 + ... + 823834772.

It is an arithmetic number, because the mean of its divisors is an integer number (19772033064).

Almost surely, 2^102155504102 is an apocalyptic number.

102155504102 is a deficient number, since it is larger than the sum of its proper divisors (56020760410).

102155504102 is a wasteful number, since it uses less digits than its factorization.

102155504102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1647669454.

The product of its (nonzero) digits is 2000, while the sum is 26.

The spelling of 102155504102 in words is "one hundred two billion, one hundred fifty-five million, five hundred four thousand, one hundred two".