1015251020013 has 32 divisors (see below), whose sum is σ = 1390094513280. Its totient is φ = 658856540160.

The previous prime is 1015251019967. The next prime is 1015251020059. The reversal of 1015251020013 is 3100201525101.

It is an interprime number because it is at equal distance from previous prime (1015251019967) and next prime (1015251020059).

It is not a de Polignac number, because 1015251020013 - 2²⁸ = 1014982584557 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1015251020713) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21837873 + ... + 21884313.

It is an arithmetic number, because the mean of its divisors is an integer number (43440453540).

Almost surely, 2^{1015251020013} is an apocalyptic number.

It is an amenable number.

1015251020013 is a deficient number, since it is larger than the sum of its proper divisors (374843493267).

1015251020013 is a wasteful number, since it uses less digits than its factorization.

1015251020013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47709.

The product of its (nonzero) digits is 300, while the sum is 21.

Adding to 1015251020013 its reverse (3100201525101), we get a palindrome (4115452545114).

The spelling of 1015251020013 in words is "one trillion, fifteen billion, two hundred fifty-one million, twenty thousand, thirteen".