6406570125775 has 12 divisors (see below), whose sum is σ = 8128894560952. Its totient is φ = 5006064097440.

The previous prime is 6406570125749. The next prime is 6406570125841. The reversal of 6406570125775 is 5775210756046.

It is not a de Polignac number, because 6406570125775 - 2²³ = 6406561737167 is a prime.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2979798984 + ... + 2979801133.

Almost surely, 2^{6406570125775} is an apocalyptic number.

6406570125775 is a deficient number, since it is larger than the sum of its proper divisors (1722324435177).

6406570125775 is a wasteful number, since it uses less digits than its factorization.

6406570125775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5959600170 (or 5959600165 counting only the distinct ones).

The product of its (nonzero) digits is 12348000, while the sum is 55.

The spelling of 6406570125775 in words is "six trillion, four hundred six billion, five hundred seventy million, one hundred twenty-five thousand, seven hundred seventy-five".