7105555057 has 2 divisors, whose sum is σ = 7105555058. Its totient is φ = 7105555056.

The previous prime is 7105555027. The next prime is 7105555091. The reversal of 7105555057 is 7505555017.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3744338481 + 3361216576 = 61191^2 + 57976^2 .

It is a cyclic number.

It is not a de Polignac number, because 7105555057 - 2²³ = 7097166449 is a prime.

It is not a weakly prime, because it can be changed into another prime (7105555027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3552777528 + 3552777529.

It is an arithmetic number, because the mean of its divisors is an integer number (3552777529).

Almost surely, 2^7105555057 is an apocalyptic number.

It is an amenable number.

7105555057 is a deficient number, since it is larger than the sum of its proper divisors (1).

7105555057 is an equidigital number, since it uses as much as digits as its factorization.

7105555057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 153125, while the sum is 40.

The square root of 7105555057 is about 84294.4544854524. The cubic root of 7105555057 is about 1922.4984705438.

Subtracting from 7105555057 its sum of digits (40), we obtain a palindrome (7105555017).

The spelling of 7105555057 in words is "seven billion, one hundred five million, five hundred fifty-five thousand, fifty-seven".