15255355234045 has 4 divisors (see below), whose sum is σ = 18306426280860. Its totient is φ = 12204284187232.

The previous prime is 15255355234037. The next prime is 15255355234181. The reversal of 15255355234045 is 54043255355251.

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 10403992172484 + 4851363061561 = 3225522^2 + 2202581^2 .

It is a cyclic number.

It is not a de Polignac number, because 15255355234045 - 2³ = 15255355234037 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 15255355234045.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1525535523400 + ... + 1525535523409.

It is an arithmetic number, because the mean of its divisors is an integer number (4576606570215).

Almost surely, 2^{15255355234045} is an apocalyptic number.

It is an amenable number.

15255355234045 is a deficient number, since it is larger than the sum of its proper divisors (3051071046815).

15255355234045 is an equidigital number, since it uses as much as digits as its factorization.

15255355234045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3051071046814.

The product of its (nonzero) digits is 9000000, while the sum is 49.

The spelling of 15255355234045 in words is "fifteen trillion, two hundred fifty-five billion, three hundred fifty-five million, two hundred thirty-four thousand, forty-five".