125694270951 has 4 divisors (see below), whose sum is σ = 167592361272. Its totient is φ = 83796180632.

The previous prime is 125694270913. The next prime is 125694270967. The reversal of 125694270951 is 159072496521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 125694270951 - 2¹⁰ = 125694269927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125694270894 and 125694270903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125694270971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20949045156 + ... + 20949045161.

It is an arithmetic number, because the mean of its divisors is an integer number (41898090318).

Almost surely, 2^125694270951 is an apocalyptic number.

125694270951 is a deficient number, since it is larger than the sum of its proper divisors (41898090321).

125694270951 is an equidigital number, since it uses as much as digits as its factorization.

125694270951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41898090320.

The product of its (nonzero) digits is 1360800, while the sum is 51.

The spelling of 125694270951 in words is "one hundred twenty-five billion, six hundred ninety-four million, two hundred seventy thousand, nine hundred fifty-one".