102156536721411 has 12 divisors (see below), whose sum is σ = 147564356219280. Its totient is φ = 68102089681200.

The previous prime is 102156536721319. The next prime is 102156536721511. The reversal of 102156536721411 is 114127635651201.

102156536721411 is a `hidden beast` number, since 1 + 0 + 2 + 1 + 5 + 6 + 536 + 72 + 1 + 41 + 1 = 666.

It is not a de Polignac number, because 102156536721411 - 2²² = 102156532527107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102156536721511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 188725815 + ... + 189266336.

It is an arithmetic number, because the mean of its divisors is an integer number (12297029684940).

Almost surely, 2^{102156536721411} is an apocalyptic number.

102156536721411 is a deficient number, since it is larger than the sum of its proper divisors (45407819497869).

102156536721411 is a wasteful number, since it uses less digits than its factorization.

102156536721411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378022186 (or 378022183 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The spelling of 102156536721411 in words is "one hundred two trillion, one hundred fifty-six billion, five hundred thirty-six million, seven hundred twenty-one thousand, four hundred eleven".