126545874944 has 26 divisors (see below), whose sum is σ = 253060863090. Its totient is φ = 63272935424.

The previous prime is 126545874877. The next prime is 126545874977. The reversal of 126545874944 is 449478545621.

It can be written as a sum of positive squares in only one way, i.e., 125395308544 + 1150566400 = 354112^2 + 33920^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15443399 + ... + 15451590.

Almost surely, 2^126545874944 is an apocalyptic number.

It is an amenable number.

126545874944 is a deficient number, since it is larger than the sum of its proper divisors (126514988146).

126545874944 is an frugal number, since it uses more digits than its factorization.

126545874944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30895013 (or 30894991 counting only the distinct ones).

The product of its digits is 38707200, while the sum is 59.

The spelling of 126545874944 in words is "one hundred twenty-six billion, five hundred forty-five million, eight hundred seventy-four thousand, nine hundred forty-four".