75907942551 has 48 divisors (see below), whose sum is σ = 125775037440. Its totient is φ = 43214754240.

The previous prime is 75907942541. The next prime is 75907942597. The reversal of 75907942551 is 15524970957.

It is a happy number.

75907942551 is a `hidden beast` number, since 7 + 590 + 7 + 9 + 42 + 5 + 5 + 1 = 666.

It is not a de Polignac number, because 75907942551 - 2⁷ = 75907942423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75907942531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22239121 + ... + 22242533.

It is an arithmetic number, because the mean of its divisors is an integer number (2620313280).

Almost surely, 2^75907942551 is an apocalyptic number.

75907942551 is a deficient number, since it is larger than the sum of its proper divisors (49867094889).

75907942551 is a wasteful number, since it uses less digits than its factorization.

75907942551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4636 (or 4633 counting only the distinct ones).

The product of its (nonzero) digits is 3969000, while the sum is 54.

The spelling of 75907942551 in words is "seventy-five billion, nine hundred seven million, nine hundred forty-two thousand, five hundred fifty-one".