125567640367 has 16 divisors (see below), whose sum is σ = 135584426880. Its totient is φ = 115602329952.

The previous prime is 125567640323. The next prime is 125567640377. The reversal of 125567640367 is 763046765521.

It is a cyclic number.

It is not a de Polignac number, because 125567640367 - 2¹⁹ = 125567116079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125567640377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9207808 + ... + 9221434.

It is an arithmetic number, because the mean of its divisors is an integer number (8474026680).

Almost surely, 2^125567640367 is an apocalyptic number.

125567640367 is a deficient number, since it is larger than the sum of its proper divisors (10016786513).

125567640367 is a wasteful number, since it uses less digits than its factorization.

125567640367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15462.

The product of its (nonzero) digits is 6350400, while the sum is 52.

The spelling of 125567640367 in words is "one hundred twenty-five billion, five hundred sixty-seven million, six hundred forty thousand, three hundred sixty-seven".