113555001551545 has 4 divisors (see below), whose sum is σ = 136266001861860. Its totient is φ = 90844001241232.

The previous prime is 113555001551543. The next prime is 113555001551561. The reversal of 113555001551545 is 545155100555311.

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

It can be written as a sum of positive squares in 2 ways, for example, as 54968775012649 + 58586226538896 = 7414093^2 + 7654164^2 .

It is a cyclic number.

It is not a de Polignac number, because 113555001551545 - 2¹ = 113555001551543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113555001551495 and 113555001551504.

It is not an unprimeable number, because it can be changed into a prime (113555001551543) 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, 11355500155150 + ... + 11355500155159.

It is an arithmetic number, because the mean of its divisors is an integer number (34066500465465).

Almost surely, 2^{113555001551545} is an apocalyptic number.

It is an amenable number.

113555001551545 is a deficient number, since it is larger than the sum of its proper divisors (22711000310315).

113555001551545 is an equidigital number, since it uses as much as digits as its factorization.

113555001551545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22711000310314.

The product of its (nonzero) digits is 937500, while the sum is 46.

The spelling of 113555001551545 in words is "one hundred thirteen trillion, five hundred fifty-five billion, one million, five hundred fifty-one thousand, five hundred forty-five".