101538409086 has 40 divisors (see below), whose sum is σ = 239496059880. Its totient is φ = 32064759792.

The previous prime is 101538409073. The next prime is 101538409087. The reversal of 101538409086 is 680904835101.

101538409086 is a `hidden beast` number, since 10 + 153 + 8 + 409 + 0 + 86 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101538409087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16491141 + ... + 16497296.

It is an arithmetic number, because the mean of its divisors is an integer number (5987401497).

Almost surely, 2^101538409086 is an apocalyptic number.

101538409086 is an abundant number, since it is smaller than the sum of its proper divisors (137957650794).

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

101538409086 is a wasteful number, since it uses less digits than its factorization.

101538409086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32988470 (or 32988461 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 101538409086 in words is "one hundred one billion, five hundred thirty-eight million, four hundred nine thousand, eighty-six".