126537493560 has 64 divisors (see below), whose sum is σ = 379639781280. Its totient is φ = 33740904960.

The previous prime is 126537493547. The next prime is 126537493567. The reversal of 126537493560 is 65394735621.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126537493567) 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, 2172174 + ... + 2229666.

Almost surely, 2^126537493560 is an apocalyptic number.

126537493560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126537493560 is an abundant number, since it is smaller than the sum of its proper divisors (253102287720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126537493560 is a wasteful number, since it uses less digits than its factorization.

126537493560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75848 (or 75844 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 51.

The spelling of 126537493560 in words is "one hundred twenty-six billion, five hundred thirty-seven million, four hundred ninety-three thousand, five hundred sixty".