125878535162 has 8 divisors (see below), whose sum is σ = 188833870836. Its totient is φ = 62933911552.

The previous prime is 125878535149. The next prime is 125878535171. The reversal of 125878535162 is 261535878521.

It can be written as a sum of positive squares in 2 ways, for example, as 125655361441 + 223173721 = 354479^2 + 14939^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×125878535162² (a number of 23 digits) contains 22 as substring.

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, 2648573 + ... + 2695680.

Almost surely, 2^125878535162 is an apocalyptic number.

125878535162 is a deficient number, since it is larger than the sum of its proper divisors (62955335674).

125878535162 is a wasteful number, since it uses less digits than its factorization.

125878535162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5356032.

The product of its digits is 4032000, while the sum is 53.

The spelling of 125878535162 in words is "one hundred twenty-five billion, eight hundred seventy-eight million, five hundred thirty-five thousand, one hundred sixty-two".