115443145550 has 24 divisors (see below), whose sum is σ = 214749223176. Its totient is φ = 46171887840.

The previous prime is 115443145549. The next prime is 115443145561. The reversal of 115443145550 is 55541344511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 314837 + ... + 574463.

It is an arithmetic number, because the mean of its divisors is an integer number (8947884299).

Almost surely, 2^115443145550 is an apocalyptic number.

115443145550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115443145550 is a deficient number, since it is larger than the sum of its proper divisors (99306077626).

115443145550 is a wasteful number, since it uses less digits than its factorization.

115443145550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268532 (or 268527 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 38.

The spelling of 115443145550 in words is "one hundred fifteen billion, four hundred forty-three million, one hundred forty-five thousand, five hundred fifty".