112553421155551 has 4 divisors (see below), whose sum is σ = 112556785310752. Its totient is φ = 112550057000352.

The previous prime is 112553421155537. The next prime is 112553421155561. The reversal of 112553421155551 is 155551124355211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 112553421155551 - 2³⁷ = 112415982202079 is a prime.

It is a super-2 number, since 2×112553421155551² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112553421155561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1682027415 + ... + 1682094328.

It is an arithmetic number, because the mean of its divisors is an integer number (28139196327688).

Almost surely, 2^{112553421155551} is an apocalyptic number.

112553421155551 is a deficient number, since it is larger than the sum of its proper divisors (3364155201).

112553421155551 is an equidigital number, since it uses as much as digits as its factorization.

112553421155551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3364155200.

The product of its digits is 750000, while the sum is 46.

The spelling of 112553421155551 in words is "one hundred twelve trillion, five hundred fifty-three billion, four hundred twenty-one million, one hundred fifty-five thousand, five hundred fifty-one".