113554533131550 has 144 divisors (see below), whose sum is σ = 349041813063840. Its totient is φ = 25927382200320.

The previous prime is 113554533131537. The next prime is 113554533131563. The reversal of 113554533131550 is 55131335455311.

113554533131550 is a `hidden beast` number, since 1 + 1 + 3 + 5 + 54 + 5 + 33 + 13 + 1 + 550 = 666.

It is an interprime number because it is at equal distance from previous prime (113554533131537) and next prime (113554533131563).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 113554533131496 and 113554533131505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 16475727 + ... + 22328426.

It is an arithmetic number, because the mean of its divisors is an integer number (2423901479610).

Almost surely, 2^{113554533131550} is an apocalyptic number.

113554533131550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113554533131550 is an abundant number, since it is smaller than the sum of its proper divisors (235487279932290).

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

113554533131550 is a wasteful number, since it uses less digits than its factorization.

113554533131550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38805107 (or 38805099 counting only the distinct ones).

The product of its (nonzero) digits is 1012500, while the sum is 45.

Adding to 113554533131550 its reverse (55131335455311), we get a palindrome (168685868586861).

The spelling of 113554533131550 in words is "one hundred thirteen trillion, five hundred fifty-four billion, five hundred thirty-three million, one hundred thirty-one thousand, five hundred fifty".