125667501426 has 12 divisors (see below), whose sum is σ = 272279586462. Its totient is φ = 41889167136.

The previous prime is 125667501397. The next prime is 125667501431. The reversal of 125667501426 is 624105766521.

125667501426 is a `hidden beast` number, since 1 + 2 + 566 + 7 + 50 + 14 + 26 = 666.

It can be written as a sum of positive squares in only one way, i.e., 101251876401 + 24415625025 = 318201^2 + 156255^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3490763911 + ... + 3490763946.

Almost surely, 2^125667501426 is an apocalyptic number.

125667501426 is an abundant number, since it is smaller than the sum of its proper divisors (146612085036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125667501426 is a wasteful number, since it uses less digits than its factorization.

125667501426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6981527865 (or 6981527862 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 125667501426 in words is "one hundred twenty-five billion, six hundred sixty-seven million, five hundred one thousand, four hundred twenty-six".