113251115550 has 24 divisors (see below), whose sum is σ = 280862766936. Its totient is φ = 30200297440.

The previous prime is 113251115543. The next prime is 113251115563. The reversal of 113251115550 is 55511152311.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 11 ways as a sum of consecutive naturals, for example, 377503569 + ... + 377503868.

It is an arithmetic number, because the mean of its divisors is an integer number (11702615289).

Almost surely, 2^113251115550 is an apocalyptic number.

113251115550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113251115550 is an abundant number, since it is smaller than the sum of its proper divisors (167611651386).

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

113251115550 is a wasteful number, since it uses less digits than its factorization.

113251115550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755007452 (or 755007447 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 30.

Adding to 113251115550 its reverse (55511152311), we get a palindrome (168762267861).

The spelling of 113251115550 in words is "one hundred thirteen billion, two hundred fifty-one million, one hundred fifteen thousand, five hundred fifty".