101315521064 has 16 divisors (see below), whose sum is σ = 189999368820. Its totient is φ = 50649022720.

The previous prime is 101315521063. The next prime is 101315521081. The reversal of 101315521064 is 460125513101.

It can be written as a sum of positive squares in 2 ways, for example, as 99521320900 + 1794200164 = 315470^2 + 42358^2 .

It is not an unprimeable number, because it can be changed into a prime (101315521063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1042817 + ... + 1135824.

Almost surely, 2^101315521064 is an apocalyptic number.

It is an amenable number.

101315521064 is a deficient number, since it is larger than the sum of its proper divisors (88683847756).

101315521064 is a wasteful number, since it uses less digits than its factorization.

101315521064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2184460 (or 2184456 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

The spelling of 101315521064 in words is "one hundred one billion, three hundred fifteen million, five hundred twenty-one thousand, sixty-four".