126513888750 has 60 divisors (see below), whose sum is σ = 342532167120. Its totient is φ = 33737034000.

The previous prime is 126513888731. The next prime is 126513888751. The reversal of 126513888750 is 57888315621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126513888751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 5611590 + ... + 5634089.

It is an arithmetic number, because the mean of its divisors is an integer number (5708869452).

Almost surely, 2^126513888750 is an apocalyptic number.

126513888750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126513888750 is an abundant number, since it is smaller than the sum of its proper divisors (216018278370).

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

126513888750 is a wasteful number, since it uses less digits than its factorization.

126513888750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11245707 (or 11245689 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 54.

The spelling of 126513888750 in words is "one hundred twenty-six billion, five hundred thirteen million, eight hundred eighty-eight thousand, seven hundred fifty".