15077450712 has 64 divisors (see below), whose sum is σ = 38042161920. Its totient is φ = 4979543168.

The previous prime is 15077450711. The next prime is 15077450743. The reversal of 15077450712 is 21705477051.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15077450711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1264603 + ... + 1276469.

It is an arithmetic number, because the mean of its divisors is an integer number (594408780).

Almost surely, 2^15077450712 is an apocalyptic number.

15077450712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15077450712 is an abundant number, since it is smaller than the sum of its proper divisors (22964711208).

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

15077450712 is a wasteful number, since it uses less digits than its factorization.

15077450712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12360 (or 12356 counting only the distinct ones).

The product of its (nonzero) digits is 68600, while the sum is 39.

The spelling of 15077450712 in words is "fifteen billion, seventy-seven million, four hundred fifty thousand, seven hundred twelve".