15340863122 has 18 divisors (see below), whose sum is σ = 24921254943. Its totient is φ = 7079347392.

The previous prime is 15340863119. The next prime is 15340863211. The reversal of 15340863122 is 22136804351.

It can be written as a sum of positive squares in 5 ways, for example, as 2388374641 + 12952488481 = 48871^2 + 113809^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=87581.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2273738 + ... + 2280474.

Almost surely, 2^15340863122 is an apocalyptic number.

15340863122 is a deficient number, since it is larger than the sum of its proper divisors (9580391821).

15340863122 is an frugal number, since it uses more digits than its factorization.

15340863122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13502 (or 6752 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 15340863122 in words is "fifteen billion, three hundred forty million, eight hundred sixty-three thousand, one hundred twenty-two".