1015550013 has 16 divisors (see below), whose sum is σ = 1384387200. Its totient is φ = 661961664.

The previous prime is 1015549933. The next prime is 1015550023. The reversal of 1015550013 is 3100555101.

It is not a de Polignac number, because 1015550013 - 2¹⁷ = 1015418941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1015550023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35688 + ... + 57486.

It is an arithmetic number, because the mean of its divisors is an integer number (86524200).

Almost surely, 2^1015550013 is an apocalyptic number.

It is an amenable number.

1015550013 is a deficient number, since it is larger than the sum of its proper divisors (368837187).

1015550013 is a wasteful number, since it uses less digits than its factorization.

1015550013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22148.

The product of its (nonzero) digits is 375, while the sum is 21.

The square root of 1015550013 is about 31867.6954453880. The cubic root of 1015550013 is about 1005.1567003994.

The spelling of 1015550013 in words is "one billion, fifteen million, five hundred fifty thousand, thirteen".