125670550331 has 4 divisors (see below), whose sum is σ = 125822510712. Its totient is φ = 125518589952.

The previous prime is 125670550303. The next prime is 125670550339. The reversal of 125670550331 is 133055076521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133055076521 = 23 ⋅5785003327.

It is a cyclic number.

It is not a de Polignac number, because 125670550331 - 2⁶ = 125670550267 is a prime.

It is a super-2 number, since 2×125670550331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125670550339) 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 3 ways as a sum of consecutive naturals, for example, 75978950 + ... + 75980603.

It is an arithmetic number, because the mean of its divisors is an integer number (31455627678).

Almost surely, 2^125670550331 is an apocalyptic number.

125670550331 is a deficient number, since it is larger than the sum of its proper divisors (151960381).

125670550331 is an equidigital number, since it uses as much as digits as its factorization.

125670550331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151960380.

The product of its (nonzero) digits is 94500, while the sum is 38.

The spelling of 125670550331 in words is "one hundred twenty-five billion, six hundred seventy million, five hundred fifty thousand, three hundred thirty-one".