1015263253613 has 12 divisors (see below), whose sum is σ = 1181455032960. Its totient is φ = 869905478232.

The previous prime is 1015263253601. The next prime is 1015263253643. The reversal of 1015263253613 is 3163523625101.

It is not a de Polignac number, because 1015263253613 - 2⁴ = 1015263253597 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 (1015263253643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3676931 + ... + 3943392.

It is an arithmetic number, because the mean of its divisors is an integer number (98454586080).

Almost surely, 2^{1015263253613} is an apocalyptic number.

It is an amenable number.

1015263253613 is a deficient number, since it is larger than the sum of its proper divisors (166191779347).

1015263253613 is an equidigital number, since it uses as much as digits as its factorization.

1015263253613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7623056 (or 7623049 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 38.

Adding to 1015263253613 its reverse (3163523625101), we get a palindrome (4178786878714).

The spelling of 1015263253613 in words is "one trillion, fifteen billion, two hundred sixty-three million, two hundred fifty-three thousand, six hundred thirteen".