15255115463 has 12 divisors (see below), whose sum is σ = 17809826472. Its totient is φ = 13028596560.

The previous prime is 15255115441. The next prime is 15255115481. The reversal of 15255115463 is 36451155251.

It is not a de Polignac number, because 15255115463 - 2²⁰ = 15254066887 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 (15255115423) 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, 548393 + ... + 575538.

It is an arithmetic number, because the mean of its divisors is an integer number (1484152206).

Almost surely, 2^15255115463 is an apocalyptic number.

15255115463 is a deficient number, since it is larger than the sum of its proper divisors (2554711009).

15255115463 is a wasteful number, since it uses less digits than its factorization.

15255115463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124222 (or 1124215 counting only the distinct ones).

The product of its digits is 90000, while the sum is 38.

The spelling of 15255115463 in words is "fifteen billion, two hundred fifty-five million, one hundred fifteen thousand, four hundred sixty-three".