126577911512 has 32 divisors (see below), whose sum is σ = 256114941600. Its totient is φ = 58300591104.

The previous prime is 126577911497. The next prime is 126577911527. The reversal of 126577911512 is 215119775621.

It is an interprime number because it is at equal distance from previous prime (126577911497) and next prime (126577911527).

It is a super-2 number, since 2×126577911512² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1198937 + ... + 1300232.

It is an arithmetic number, because the mean of its divisors is an integer number (8003591925).

Almost surely, 2^126577911512 is an apocalyptic number.

It is an amenable number.

126577911512 is an abundant number, since it is smaller than the sum of its proper divisors (129537030088).

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

126577911512 is a wasteful number, since it uses less digits than its factorization.

126577911512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2499675 (or 2499671 counting only the distinct ones).

The product of its digits is 264600, while the sum is 47.

The spelling of 126577911512 in words is "one hundred twenty-six billion, five hundred seventy-seven million, nine hundred eleven thousand, five hundred twelve".