15358800961 has 4 divisors (see below), whose sum is σ = 17552915392. Its totient is φ = 13164686532.

The previous prime is 15358800913. The next prime is 15358800991. The reversal of 15358800961 is 16900885351.

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.

It is a cyclic number.

It is not a de Polignac number, because 15358800961 - 2⁷ = 15358800833 is a prime.

It is a super-2 number, since 2×15358800961² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15358800911) 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, 1097057205 + ... + 1097057218.

It is an arithmetic number, because the mean of its divisors is an integer number (4388228848).

Almost surely, 2^15358800961 is an apocalyptic number.

It is an amenable number.

15358800961 is a deficient number, since it is larger than the sum of its proper divisors (2194114431).

15358800961 is an equidigital number, since it uses as much as digits as its factorization.

15358800961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2194114430.

The product of its (nonzero) digits is 259200, while the sum is 46.

The spelling of 15358800961 in words is "fifteen billion, three hundred fifty-eight million, eight hundred thousand, nine hundred sixty-one".