75131335016 has 8 divisors (see below), whose sum is σ = 140871253170. Its totient is φ = 37565667504.

The previous prime is 75131334989. The next prime is 75131335031. The reversal of 75131335016 is 61053313157.

It can be written as a sum of positive squares in only one way, i.e., 67884218116 + 7247116900 = 260546^2 + 85130^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4695708431 + ... + 4695708446.

Almost surely, 2^75131335016 is an apocalyptic number.

It is an amenable number.

75131335016 is a deficient number, since it is larger than the sum of its proper divisors (65739918154).

75131335016 is a wasteful number, since it uses less digits than its factorization.

75131335016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9391416883 (or 9391416879 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 35.

The spelling of 75131335016 in words is "seventy-five billion, one hundred thirty-one million, three hundred thirty-five thousand, sixteen".