11770506571 has 2 divisors, whose sum is σ = 11770506572. Its totient is φ = 11770506570.

The previous prime is 11770506557. The next prime is 11770506581. The reversal of 11770506571 is 17560507711.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11770506571 is a prime.

It is not a weakly prime, because it can be changed into another prime (11770506541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5885253285 + 5885253286.

It is an arithmetic number, because the mean of its divisors is an integer number (5885253286).

Almost surely, 2^11770506571 is an apocalyptic number.

11770506571 is a deficient number, since it is larger than the sum of its proper divisors (1).

11770506571 is an equidigital number, since it uses as much as digits as its factorization.

11770506571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51450, while the sum is 40.

The spelling of 11770506571 in words is "eleven billion, seven hundred seventy million, five hundred six thousand, five hundred seventy-one".