15255043063 has 8 divisors (see below), whose sum is σ = 16525720400. Its totient is φ = 14081576184.

The previous prime is 15255043051. The next prime is 15255043079. The reversal of 15255043063 is 36034055251.

It is a de Polignac number, because none of the positive numbers 2^k-15255043063 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 (15255043093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3469593 + ... + 3473986.

It is an arithmetic number, because the mean of its divisors is an integer number (2065715050).

Almost surely, 2^15255043063 is an apocalyptic number.

15255043063 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

15255043063 is a deficient number, since it is larger than the sum of its proper divisors (1270677337).

15255043063 is an frugal number, since it uses more digits than its factorization.

15255043063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6943618 (or 6943592 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 34.

The spelling of 15255043063 in words is "fifteen billion, two hundred fifty-five million, forty-three thousand, sixty-three".