115665150550 has 48 divisors (see below), whose sum is σ = 225652968000. Its totient is φ = 44057813760.

The previous prime is 115665150521. The next prime is 115665150563. The reversal of 115665150550 is 55051566511.

It is a super-3 number, since 3×115665150550³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 578175 + ... + 752074.

It is an arithmetic number, because the mean of its divisors is an integer number (4701103500).

Almost surely, 2^115665150550 is an apocalyptic number.

115665150550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115665150550 is a deficient number, since it is larger than the sum of its proper divisors (109987817450).

115665150550 is a wasteful number, since it uses less digits than its factorization.

115665150550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330345 (or 1330340 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 40.

The spelling of 115665150550 in words is "one hundred fifteen billion, six hundred sixty-five million, one hundred fifty thousand, five hundred fifty".