126251375125 has 16 divisors (see below), whose sum is σ = 157571839152. Its totient is φ = 100994611200.

The previous prime is 126251375087. The next prime is 126251375171. The reversal of 126251375125 is 521573152621.

It can be written as a sum of positive squares in 8 ways, for example, as 66906030244 + 59345344881 = 258662^2 + 243609^2 .

It is not a de Polignac number, because 126251375125 - 2¹¹ = 126251373077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3219637 + ... + 3258613.

It is an arithmetic number, because the mean of its divisors is an integer number (9848239947).

Almost surely, 2^126251375125 is an apocalyptic number.

It is an amenable number.

126251375125 is a deficient number, since it is larger than the sum of its proper divisors (31320464027).

126251375125 is an equidigital number, since it uses as much as digits as its factorization.

126251375125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64905 (or 64895 counting only the distinct ones).

The product of its digits is 126000, while the sum is 40.

The spelling of 126251375125 in words is "one hundred twenty-six billion, two hundred fifty-one million, three hundred seventy-five thousand, one hundred twenty-five".