15053426261 has 4 divisors (see below), whose sum is σ = 15057871500. Its totient is φ = 15048981024.

The previous prime is 15053426257. The next prime is 15053426291. The reversal of 15053426261 is 16262435051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16262435051 = 71 ⋅229048381.

It can be written as a sum of positive squares in 2 ways, for example, as 7866625636 + 7186800625 = 88694^2 + 84775^2 .

It is a cyclic number.

It is not a de Polignac number, because 15053426261 - 2² = 15053426257 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 (15053426291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2217536 + ... + 2224313.

It is an arithmetic number, because the mean of its divisors is an integer number (3764467875).

Almost surely, 2^15053426261 is an apocalyptic number.

It is an amenable number.

15053426261 is a deficient number, since it is larger than the sum of its proper divisors (4445239).

15053426261 is an equidigital number, since it uses as much as digits as its factorization.

15053426261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4445238.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 15053426261 in words is "fifteen billion, fifty-three million, four hundred twenty-six thousand, two hundred sixty-one".