126157530544 has 20 divisors (see below), whose sum is σ = 244439924040. Its totient is φ = 63076259840.

The previous prime is 126157530497. The next prime is 126157530547. The reversal of 126157530544 is 445035751621.

It is a self number, because there is not a number n which added to its sum of digits gives 126157530544.

It is not an unprimeable number, because it can be changed into a prime (126157530547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298992 + ... + 584560.

It is an arithmetic number, because the mean of its divisors is an integer number (12221996202).

Almost surely, 2^126157530544 is an apocalyptic number.

It is an amenable number.

126157530544 is a deficient number, since it is larger than the sum of its proper divisors (118282393496).

126157530544 is a wasteful number, since it uses less digits than its factorization.

126157530544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313188 (or 313182 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 43.

The spelling of 126157530544 in words is "one hundred twenty-six billion, one hundred fifty-seven million, five hundred thirty thousand, five hundred forty-four".