57520112191 has 2 divisors, whose sum is σ = 57520112192. Its totient is φ = 57520112190.

The previous prime is 57520112183. The next prime is 57520112197. The reversal of 57520112191 is 19121102575.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57520112191 - 2³ = 57520112183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57520112197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28760056095 + 28760056096.

It is an arithmetic number, because the mean of its divisors is an integer number (28760056096).

Almost surely, 2^57520112191 is an apocalyptic number.

57520112191 is a deficient number, since it is larger than the sum of its proper divisors (1).

57520112191 is an equidigital number, since it uses as much as digits as its factorization.

57520112191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6300, while the sum is 34.

The spelling of 57520112191 in words is "fifty-seven billion, five hundred twenty million, one hundred twelve thousand, one hundred ninety-one".