126375521422857 has 16 divisors (see below), whose sum is σ = 193420558912512. Its totient is φ = 71896457748240.

The previous prime is 126375521422837. The next prime is 126375521422903. The reversal of 126375521422857 is 758224125573621.

It is not a de Polignac number, because 126375521422857 - 2¹⁴ = 126375521406473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126375521422857.

It is not an unprimeable number, because it can be changed into a prime (126375521422807) 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, 13255241869 + ... + 13255251402.

It is an arithmetic number, because the mean of its divisors is an integer number (12088784932032).

Almost surely, 2^{126375521422857} is an apocalyptic number.

It is an amenable number.

126375521422857 is a deficient number, since it is larger than the sum of its proper divisors (67045037489655).

126375521422857 is a wasteful number, since it uses less digits than its factorization.

126375521422857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26510493508.

The product of its digits is 56448000, while the sum is 60.

The spelling of 126375521422857 in words is "one hundred twenty-six trillion, three hundred seventy-five billion, five hundred twenty-one million, four hundred twenty-two thousand, eight hundred fifty-seven".