125561252048 has 20 divisors (see below), whose sum is σ = 243293873508. Its totient is φ = 62775736320.

The previous prime is 125561252021. The next prime is 125561252057. The reversal of 125561252048 is 840252165521.

It can be written as a sum of positive squares in 2 ways, for example, as 32397120064 + 93164131984 = 179992^2 + 305228^2 .

It is a super-2 number, since 2×125561252048² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125561251996 and 125561252014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89111 + ... + 508982.

Almost surely, 2^125561252048 is an apocalyptic number.

It is an amenable number.

125561252048 is a deficient number, since it is larger than the sum of its proper divisors (117732621460).

125561252048 is a wasteful number, since it uses less digits than its factorization.

125561252048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611222 (or 611216 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 41.

The spelling of 125561252048 in words is "one hundred twenty-five billion, five hundred sixty-one million, two hundred fifty-two thousand, forty-eight".