115211335032550 has 48 divisors (see below), whose sum is σ = 219470869862640. Its totient is φ = 44972930096640.

The previous prime is 115211335032517. The next prime is 115211335032559. The reversal of 115211335032550 is 55230533112511.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115211335032559) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21304567 + ... + 26159266.

It is an arithmetic number, because the mean of its divisors is an integer number (4572309788805).

Almost surely, 2^{115211335032550} is an apocalyptic number.

115211335032550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115211335032550 is a deficient number, since it is larger than the sum of its proper divisors (104259534830090).

115211335032550 is a wasteful number, since it uses less digits than its factorization.

115211335032550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47465017 (or 47465012 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 37.

The spelling of 115211335032550 in words is "one hundred fifteen trillion, two hundred eleven billion, three hundred thirty-five million, thirty-two thousand, five hundred fifty".