115577111775511 has 2 divisors, whose sum is σ = 115577111775512. Its totient is φ = 115577111775510.

The previous prime is 115577111775497. The next prime is 115577111775547.

115577111775511 is nontrivially palindromic in base 10.

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 115577111775511 - 2³⁷ = 115439672822039 is a prime.

It is a super-2 number, since 2×115577111775511² (a number of 29 digits) contains 22 as substring.

It is a zygodrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115577111773511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57788555887755 + 57788555887756.

It is an arithmetic number, because the mean of its divisors is an integer number (57788555887756).

Almost surely, 2^{115577111775511} is an apocalyptic number.

115577111775511 is a deficient number, since it is larger than the sum of its proper divisors (1).

115577111775511 is an equidigital number, since it uses as much as digits as its factorization.

115577111775511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1500625, while the sum is 55.

The spelling of 115577111775511 in words is "one hundred fifteen trillion, five hundred seventy-seven billion, one hundred eleven million, seven hundred seventy-five thousand, five hundred eleven".