115511103551320 has 64 divisors (see below), whose sum is σ = 260026587180000. Its totient is φ = 46181936547840.

The previous prime is 115511103551303. The next prime is 115511103551341. The reversal of 115511103551320 is 23155301115511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2119481431 + ... + 2119535929.

Almost surely, 2^{115511103551320} is an apocalyptic number.

115511103551320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115511103551320 is an abundant number, since it is smaller than the sum of its proper divisors (144515483628680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115511103551320 is a wasteful number, since it uses less digits than its factorization.

115511103551320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79348 (or 79344 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 34.

Adding to 115511103551320 its reverse (23155301115511), we get a palindrome (138666404666831).

The spelling of 115511103551320 in words is "one hundred fifteen trillion, five hundred eleven billion, one hundred three million, five hundred fifty-one thousand, three hundred twenty".