126594828495621 has 48 divisors (see below), whose sum is σ = 191025229274880. Its totient is φ = 80717625705600.

The previous prime is 126594828495617. The next prime is 126594828495671.

126594828495621 is a `hidden beast` number, since 1 + 2 + 6 + 5 + 9 + 482 + 84 + 9 + 5 + 62 + 1 = 666.

126594828495621 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 126594828495621 - 2² = 126594828495617 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126594828495621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126594828495601) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8864605 + ... + 18214578.

It is an arithmetic number, because the mean of its divisors is an integer number (3979692276560).

Almost surely, 2^{126594828495621} is an apocalyptic number.

It is an amenable number.

126594828495621 is a deficient number, since it is larger than the sum of its proper divisors (64430400779259).

126594828495621 is a wasteful number, since it uses less digits than its factorization.

126594828495621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27079466 (or 27079463 counting only the distinct ones).

The product of its digits is 597196800, while the sum is 72.

The spelling of 126594828495621 in words is "one hundred twenty-six trillion, five hundred ninety-four billion, eight hundred twenty-eight million, four hundred ninety-five thousand, six hundred twenty-one".