15480576868 has 12 divisors (see below), whose sum is σ = 27602161020. Its totient is φ = 7594245152.

The previous prime is 15480576833. The next prime is 15480576871. The reversal of 15480576868 is 86867508451.

It can be written as a sum of positive squares in 2 ways, for example, as 7364729124 + 8115847744 = 85818^2 + 90088^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36510583 + ... + 36511006.

It is an arithmetic number, because the mean of its divisors is an integer number (2300180085).

Almost surely, 2^15480576868 is an apocalyptic number.

It is an amenable number.

15480576868 is a deficient number, since it is larger than the sum of its proper divisors (12121584152).

15480576868 is a wasteful number, since it uses less digits than its factorization.

15480576868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73021646 (or 73021644 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 58.

The spelling of 15480576868 in words is "fifteen billion, four hundred eighty million, five hundred seventy-six thousand, eight hundred sixty-eight".