75016261057 has 2 divisors, whose sum is σ = 75016261058. Its totient is φ = 75016261056.

The previous prime is 75016261049. The next prime is 75016261091.

It is a happy number.

75016261057 is nontrivially palindromic in base 10.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46379498881 + 28636762176 = 215359^2 + 169224^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 75016261057 - 2³ = 75016261049 is a prime.

It is not a weakly prime, because it can be changed into another prime (75016261037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37508130528 + 37508130529.

It is an arithmetic number, because the mean of its divisors is an integer number (37508130529).

Almost surely, 2^75016261057 is an apocalyptic number.

It is an amenable number.

75016261057 is a deficient number, since it is larger than the sum of its proper divisors (1).

75016261057 is an equidigital number, since it uses as much as digits as its factorization.

75016261057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 88200, while the sum is 40.

The spelling of 75016261057 in words is "seventy-five billion, sixteen million, two hundred sixty-one thousand, fifty-seven".