15405410255 has 4 divisors (see below), whose sum is σ = 18486492312. Its totient is φ = 12324328200.

The previous prime is 15405410213. The next prime is 15405410257. The reversal of 15405410255 is 55201450451.

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

It is not a de Polignac number, because 15405410255 - 2³⁰ = 14331668431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15405410257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1540541021 + ... + 1540541030.

It is an arithmetic number, because the mean of its divisors is an integer number (4621623078).

Almost surely, 2^15405410255 is an apocalyptic number.

15405410255 is a deficient number, since it is larger than the sum of its proper divisors (3081082057).

15405410255 is an equidigital number, since it uses as much as digits as its factorization.

15405410255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3081082056.

The product of its (nonzero) digits is 20000, while the sum is 32.

The spelling of 15405410255 in words is "fifteen billion, four hundred five million, four hundred ten thousand, two hundred fifty-five".