15005250053 has 4 divisors (see below), whose sum is σ = 15005921568. Its totient is φ = 15004578540.

The previous prime is 15005250049. The next prime is 15005250079. The reversal of 15005250053 is 35005250051.

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, and also an emirpimes, since its reverse is a distinct semiprime: 35005250051 = 617 ⋅56734603.

It is a cyclic number.

It is not a de Polignac number, because 15005250053 - 2² = 15005250049 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 (15005250353) 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, 301043 + ... + 347328.

It is an arithmetic number, because the mean of its divisors is an integer number (3751480392).

Almost surely, 2^15005250053 is an apocalyptic number.

It is an amenable number.

15005250053 is a deficient number, since it is larger than the sum of its proper divisors (671515).

15005250053 is an equidigital number, since it uses as much as digits as its factorization.

15005250053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671514.

The product of its (nonzero) digits is 3750, while the sum is 26.

The spelling of 15005250053 in words is "fifteen billion, five million, two hundred fifty thousand, fifty-three".