126388751250 has 80 divisors (see below), whose sum is σ = 316032837120. Its totient is φ = 33686376000.

The previous prime is 126388751243. The next prime is 126388751263. The reversal of 126388751250 is 52157883621.

It is a self number, because there is not a number n which added to its sum of digits gives 126388751250.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8388724 + ... + 8403776.

It is an arithmetic number, because the mean of its divisors is an integer number (3950410464).

Almost surely, 2^126388751250 is an apocalyptic number.

126388751250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 126388751250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158016418560).

126388751250 is an abundant number, since it is smaller than the sum of its proper divisors (189644085870).

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

126388751250 is a wasteful number, since it uses less digits than its factorization.

126388751250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17317 (or 17302 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 48.

The spelling of 126388751250 in words is "one hundred twenty-six billion, three hundred eighty-eight million, seven hundred fifty-one thousand, two hundred fifty".