126375688257 has 32 divisors (see below), whose sum is σ = 211798228992. Its totient is φ = 65241405504.

The previous prime is 126375688213. The next prime is 126375688261. The reversal of 126375688257 is 752886573621.

It is not a de Polignac number, because 126375688257 - 2⁷ = 126375688129 is a prime.

It is a super-3 number, since 3×126375688257³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 126375688257.

It is not an unprimeable number, because it can be changed into a prime (126375688267) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 4911793 + ... + 4937454.

It is an arithmetic number, because the mean of its divisors is an integer number (6618694656).

Almost surely, 2^126375688257 is an apocalyptic number.

It is an amenable number.

126375688257 is a deficient number, since it is larger than the sum of its proper divisors (85422540735).

126375688257 is a wasteful number, since it uses less digits than its factorization.

126375688257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9849317.

The product of its digits is 33868800, while the sum is 60.

The spelling of 126375688257 in words is "one hundred twenty-six billion, three hundred seventy-five million, six hundred eighty-eight thousand, two hundred fifty-seven".