115650542550 has 48 divisors (see below), whose sum is σ = 286849801152. Its totient is φ = 30836224800.

The previous prime is 115650542549. The next prime is 115650542587. The reversal of 115650542550 is 55245056511.

It is a junction number, because it is equal to n+sod(n) for n = 115650542499 and 115650542508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1249365 + ... + 1338735.

It is an arithmetic number, because the mean of its divisors is an integer number (5976037524).

Almost surely, 2^115650542550 is an apocalyptic number.

115650542550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115650542550 is an abundant number, since it is smaller than the sum of its proper divisors (171199258602).

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

115650542550 is a wasteful number, since it uses less digits than its factorization.

115650542550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98013 (or 98008 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 39.

The spelling of 115650542550 in words is "one hundred fifteen billion, six hundred fifty million, five hundred forty-two thousand, five hundred fifty".