126375213577 has 16 divisors (see below), whose sum is σ = 127518624000. Its totient is φ = 125238758400.

The previous prime is 126375213571. The next prime is 126375213647. The reversal of 126375213577 is 775312573621.

It is a cyclic number.

It is not a de Polignac number, because 126375213577 - 2¹⁹ = 126374689289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 126375213577.

It is not an unprimeable number, because it can be changed into a prime (126375213571) 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, 44325202 + ... + 44328052.

It is an arithmetic number, because the mean of its divisors is an integer number (7969914000).

Almost surely, 2^126375213577 is an apocalyptic number.

It is an amenable number.

126375213577 is a deficient number, since it is larger than the sum of its proper divisors (1143410423).

126375213577 is a wasteful number, since it uses less digits than its factorization.

126375213577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3936.

The product of its digits is 1852200, while the sum is 49.

The spelling of 126375213577 in words is "one hundred twenty-six billion, three hundred seventy-five million, two hundred thirteen thousand, five hundred seventy-seven".