125471099907 has 6 divisors (see below), whose sum is σ = 181236033212. Its totient is φ = 83647399932.

The previous prime is 125471099863. The next prime is 125471099927. The reversal of 125471099907 is 709990174521.

125471099907 is a `hidden beast` number, since 1 + 2 + 547 + 1 + 0 + 9 + 9 + 90 + 7 = 666.

It is not a de Polignac number, because 125471099907 - 2¹⁸ = 125470837763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125471099927) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6970616653 + ... + 6970616670.

Almost surely, 2^125471099907 is an apocalyptic number.

125471099907 is a deficient number, since it is larger than the sum of its proper divisors (55764933305).

125471099907 is a wasteful number, since it uses less digits than its factorization.

125471099907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13941233329 (or 13941233326 counting only the distinct ones).

The product of its (nonzero) digits is 1428840, while the sum is 54.

Adding to 125471099907 its sum of digits (54), we get a square (125471099961 = 354219²).

The spelling of 125471099907 in words is "one hundred twenty-five billion, four hundred seventy-one million, ninety-nine thousand, nine hundred seven".