102271186475 has 72 divisors (see below), whose sum is σ = 140063795760. Its totient is φ = 73866608640.

The previous prime is 102271186469. The next prime is 102271186483. The reversal of 102271186475 is 574681172201.

It is not a de Polignac number, because 102271186475 - 2¹² = 102271182379 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 88699499 + ... + 88700651.

Almost surely, 2^102271186475 is an apocalyptic number.

102271186475 is a deficient number, since it is larger than the sum of its proper divisors (37792609285).

102271186475 is a wasteful number, since it uses less digits than its factorization.

102271186475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581 (or 1553 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 44.

The spelling of 102271186475 in words is "one hundred two billion, two hundred seventy-one million, one hundred eighty-six thousand, four hundred seventy-five".