10997557177 has 2 divisors, whose sum is σ = 10997557178. Its totient is φ = 10997557176.

The previous prime is 10997557169. The next prime is 10997557183. The reversal of 10997557177 is 77175579901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7796713401 + 3200843776 = 88299^2 + 56576^2 .

It is a cyclic number.

It is not a de Polignac number, because 10997557177 - 2³ = 10997557169 is a prime.

It is a super-3 number, since 3×10997557177³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (10997557127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5498778588 + 5498778589.

It is an arithmetic number, because the mean of its divisors is an integer number (5498778589).

Almost surely, 2^10997557177 is an apocalyptic number.

It is an amenable number.

10997557177 is a deficient number, since it is larger than the sum of its proper divisors (1).

10997557177 is an equidigital number, since it uses as much as digits as its factorization.

10997557177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4862025, while the sum is 58.

The spelling of 10997557177 in words is "ten billion, nine hundred ninety-seven million, five hundred fifty-seven thousand, one hundred seventy-seven".