125571862851 has 8 divisors (see below), whose sum is σ = 168965198160. Its totient is φ = 82946551392.

The previous prime is 125571862841. The next prime is 125571862859. The reversal of 125571862851 is 158268175521.

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

It is not a de Polignac number, because 125571862851 - 2⁷ = 125571862723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125571862794 and 125571862803.

It is not an unprimeable number, because it can be changed into a prime (125571862859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192005580 + ... + 192006233.

It is an arithmetic number, because the mean of its divisors is an integer number (21120649770).

Almost surely, 2^125571862851 is an apocalyptic number.

125571862851 is a deficient number, since it is larger than the sum of its proper divisors (43393335309).

125571862851 is a wasteful number, since it uses less digits than its factorization.

125571862851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384011925.

The product of its digits is 1344000, while the sum is 51.

The spelling of 125571862851 in words is "one hundred twenty-five billion, five hundred seventy-one million, eight hundred sixty-two thousand, eight hundred fifty-one".