11177520671 has 2 divisors, whose sum is σ = 11177520672. Its totient is φ = 11177520670.

The previous prime is 11177520667. The next prime is 11177520713. The reversal of 11177520671 is 17602577111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11177520671 - 2² = 11177520667 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11177520631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5588760335 + 5588760336.

It is an arithmetic number, because the mean of its divisors is an integer number (5588760336).

Almost surely, 2^11177520671 is an apocalyptic number.

11177520671 is a deficient number, since it is larger than the sum of its proper divisors (1).

11177520671 is an equidigital number, since it uses as much as digits as its factorization.

11177520671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20580, while the sum is 38.

The spelling of 11177520671 in words is "eleven billion, one hundred seventy-seven million, five hundred twenty thousand, six hundred seventy-one".