101537578485 has 64 divisors (see below), whose sum is σ = 206461094400. Its totient is φ = 46380612096.

The previous prime is 101537578391. The next prime is 101537578531. The reversal of 101537578485 is 584875735101.

101537578485 is a `hidden beast` number, since 1 + 0 + 153 + 7 + 5 + 7 + 8 + 485 = 666.

It is not a de Polignac number, because 101537578485 - 2¹⁰ = 101537577461 is a prime.

It is a congruent number.

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, 1176427 + ... + 1259783.

It is an arithmetic number, because the mean of its divisors is an integer number (3225954600).

Almost surely, 2^101537578485 is an apocalyptic number.

101537578485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

101537578485 is an abundant number, since it is smaller than the sum of its proper divisors (104923515915).

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

101537578485 is a wasteful number, since it uses less digits than its factorization.

101537578485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84667 (or 84661 counting only the distinct ones).

The product of its (nonzero) digits is 4704000, while the sum is 54.

The spelling of 101537578485 in words is "one hundred one billion, five hundred thirty-seven million, five hundred seventy-eight thousand, four hundred eighty-five".