125562043953 has 6 divisors (see below), whose sum is σ = 181367396834. Its totient is φ = 83708029296.

The previous prime is 125562043949. The next prime is 125562043967. The reversal of 125562043953 is 359340265521.

125562043953 is a `hidden beast` number, since 1 + 2 + 5 + 56 + 204 + 395 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 122830622784 + 2731421169 = 350472^2 + 52263^2 .

It is not a de Polignac number, because 125562043953 - 2² = 125562043949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125562043899 and 125562043908.

It is not an unprimeable number, because it can be changed into a prime (125562043933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6975669100 + ... + 6975669117.

Almost surely, 2^125562043953 is an apocalyptic number.

It is an amenable number.

125562043953 is a deficient number, since it is larger than the sum of its proper divisors (55805352881).

125562043953 is a wasteful number, since it uses less digits than its factorization.

125562043953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13951338223 (or 13951338220 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 45.

The spelling of 125562043953 in words is "one hundred twenty-five billion, five hundred sixty-two million, forty-three thousand, nine hundred fifty-three".