102405651102 has 12 divisors (see below), whose sum is σ = 221878910760. Its totient is φ = 34135217028.

The previous prime is 102405651079. The next prime is 102405651107. The reversal of 102405651102 is 201156504201.

102405651102 is a `hidden beast` number, since 1 + 0 + 2 + 4 + 0 + 5 + 651 + 1 + 0 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102405651107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2844601402 + ... + 2844601437.

It is an arithmetic number, because the mean of its divisors is an integer number (18489909230).

Almost surely, 2^102405651102 is an apocalyptic number.

102405651102 is an abundant number, since it is smaller than the sum of its proper divisors (119473259658).

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

102405651102 is a wasteful number, since it uses less digits than its factorization.

102405651102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5689202847 (or 5689202844 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The spelling of 102405651102 in words is "one hundred two billion, four hundred five million, six hundred fifty-one thousand, one hundred two".