102087361025 has 36 divisors (see below), whose sum is σ = 140262973488. Its totient is φ = 73634258880.

The previous prime is 102087361009. The next prime is 102087361027. The reversal of 102087361025 is 520163780201.

It is a happy number.

It is not a de Polignac number, because 102087361025 - 2⁴ = 102087361009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102087361027) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 99287 + ... + 462636.

It is an arithmetic number, because the mean of its divisors is an integer number (3896193708).

Almost surely, 2^102087361025 is an apocalyptic number.

It is an amenable number.

102087361025 is a deficient number, since it is larger than the sum of its proper divisors (38175612463).

102087361025 is a wasteful number, since it uses less digits than its factorization.

102087361025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562002 (or 561984 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 102087361025 in words is "one hundred two billion, eighty-seven million, three hundred sixty-one thousand, twenty-five".