115377773511 has 144 divisors (see below), whose sum is σ = 217126355328. Its totient is φ = 53825990400.

The previous prime is 115377773509. The next prime is 115377773513.

115377773511 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (115377773509) and next prime (115377773513).

It is not a de Polignac number, because 115377773511 - 2¹ = 115377773509 is a prime.

It is a super-2 number, since 2×115377773511² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115377773513) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 10105396 + ... + 10116806.

It is an arithmetic number, because the mean of its divisors is an integer number (1507821912).

Almost surely, 2^115377773511 is an apocalyptic number.

115377773511 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

115377773511 is a deficient number, since it is larger than the sum of its proper divisors (101748581817).

115377773511 is a wasteful number, since it uses less digits than its factorization.

115377773511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11502 (or 11482 counting only the distinct ones).

The product of its digits is 540225, while the sum is 48.

It can be divided in two parts, 115377 and 773511, that added together give a palindrome (888888).

The spelling of 115377773511 in words is "one hundred fifteen billion, three hundred seventy-seven million, seven hundred seventy-three thousand, five hundred eleven".