10015515156 has 12 divisors (see below), whose sum is σ = 23369535392. Its totient is φ = 3338505048.

The previous prime is 10015515143. The next prime is 10015515157. The reversal of 10015515156 is 65151551001.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10015515157) 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, 417313120 + ... + 417313143.

Almost surely, 2^10015515156 is an apocalyptic number.

It is an amenable number.

10015515156 is an abundant number, since it is smaller than the sum of its proper divisors (13354020236).

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

10015515156 is a wasteful number, since it uses less digits than its factorization.

10015515156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834626270 (or 834626268 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 30.

The spelling of 10015515156 in words is "ten billion, fifteen million, five hundred fifteen thousand, one hundred fifty-six".