102636155236545 has 64 divisors (see below), whose sum is σ = 208677146787840. Its totient is φ = 46886412475584.

The previous prime is 102636155236513. The next prime is 102636155236561. The reversal of 102636155236545 is 545632551636201.

102636155236545 is a `hidden beast` number, since 1 + 0 + 2 + 6 + 3 + 6 + 1 + 552 + 36 + 54 + 5 = 666.

It is not a de Polignac number, because 102636155236545 - 2⁵ = 102636155236513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102636155236491 and 102636155236500.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 36817489 + ... + 39506958.

It is an arithmetic number, because the mean of its divisors is an integer number (3260580418560).

Almost surely, 2^{102636155236545} is an apocalyptic number.

102636155236545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102636155236545 is an abundant number, since it is smaller than the sum of its proper divisors (106040991551295).

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

102636155236545 is a wasteful number, since it uses less digits than its factorization.

102636155236545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76325891 (or 76325885 counting only the distinct ones).

The product of its (nonzero) digits is 19440000, while the sum is 54.

The spelling of 102636155236545 in words is "one hundred two trillion, six hundred thirty-six billion, one hundred fifty-five million, two hundred thirty-six thousand, five hundred forty-five".