1015013111213 has 4 divisors (see below), whose sum is σ = 1015843049568. Its totient is φ = 1014183172860.

The previous prime is 1015013111179. The next prime is 1015013111317. The reversal of 1015013111213 is 3121113105101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1015013111213 - 2²⁴ = 1014996333997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1015013111513) 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, 414967343 + ... + 414969788.

It is an arithmetic number, because the mean of its divisors is an integer number (253960762392).

Almost surely, 2^{1015013111213} is an apocalyptic number.

It is an amenable number.

1015013111213 is a deficient number, since it is larger than the sum of its proper divisors (829938355).

1015013111213 is an equidigital number, since it uses as much as digits as its factorization.

1015013111213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829938354.

The product of its (nonzero) digits is 90, while the sum is 20.

Adding to 1015013111213 its reverse (3121113105101), we get a palindrome (4136126216314).

The spelling of 1015013111213 in words is "one trillion, fifteen billion, thirteen million, one hundred eleven thousand, two hundred thirteen".