15150306961 has 4 divisors (see below), whose sum is σ = 15158146612. Its totient is φ = 15142467312.

The previous prime is 15150306947. The next prime is 15150307079. The reversal of 15150306961 is 16960305151.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5562176400 + 9588130561 = 74580^2 + 97919^2 .

It is a cyclic number.

It is not a de Polignac number, because 15150306961 - 2¹⁵ = 15150274193 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15150306961.

It is not an unprimeable number, because it can be changed into a prime (15150306901) 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, 3916926 + ... + 3920791.

It is an arithmetic number, because the mean of its divisors is an integer number (3789536653).

Almost surely, 2^15150306961 is an apocalyptic number.

It is an amenable number.

15150306961 is a deficient number, since it is larger than the sum of its proper divisors (7839651).

15150306961 is an equidigital number, since it uses as much as digits as its factorization.

15150306961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7839650.

The product of its (nonzero) digits is 24300, while the sum is 37.

The spelling of 15150306961 in words is "fifteen billion, one hundred fifty million, three hundred six thousand, nine hundred sixty-one".