115503305511 has 32 divisors (see below), whose sum is σ = 176012845056. Its totient is φ = 66732732000.

The previous prime is 115503305507. The next prime is 115503305521.

115503305511 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 115503305511 - 2² = 115503305507 is a prime.

It is a super-2 number, since 2×115503305511² (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 (115503305501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 774045 + ... + 911126.

It is an arithmetic number, because the mean of its divisors is an integer number (5500401408).

Almost surely, 2^115503305511 is an apocalyptic number.

115503305511 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

115503305511 is a deficient number, since it is larger than the sum of its proper divisors (60509539545).

115503305511 is a wasteful number, since it uses less digits than its factorization.

115503305511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685283.

The product of its (nonzero) digits is 5625, while the sum is 30.

The spelling of 115503305511 in words is "one hundred fifteen billion, five hundred three million, three hundred five thousand, five hundred eleven".