15045321512 has 32 divisors (see below), whose sum is σ = 31359982080. Its totient is φ = 6719993280.

The previous prime is 15045321509. The next prime is 15045321563. The reversal of 15045321512 is 21512354051.

It is a super-2 number, since 2×15045321512² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2330108 + ... + 2336555.

It is an arithmetic number, because the mean of its divisors is an integer number (979999440).

Almost surely, 2^15045321512 is an apocalyptic number.

It is an amenable number.

15045321512 is an abundant number, since it is smaller than the sum of its proper divisors (16314660568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15045321512 is a wasteful number, since it uses less digits than its factorization.

15045321512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4666713 (or 4666709 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 15045321512 its reverse (21512354051), we get a palindrome (36557675563).

The spelling of 15045321512 in words is "fifteen billion, forty-five million, three hundred twenty-one thousand, five hundred twelve".