15120435255 has 8 divisors (see below), whose sum is σ = 24192696432. Its totient is φ = 8064232128.

The previous prime is 15120435241. The next prime is 15120435271. The reversal of 15120435255 is 55253402151.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 15120435255 - 2⁶ = 15120435191 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504014494 + ... + 504014523.

It is an arithmetic number, because the mean of its divisors is an integer number (3024087054).

Almost surely, 2^15120435255 is an apocalyptic number.

15120435255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15120435255 is a deficient number, since it is larger than the sum of its proper divisors (9072261177).

15120435255 is a wasteful number, since it uses less digits than its factorization.

15120435255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008029025.

The product of its (nonzero) digits is 30000, while the sum is 33.

The spelling of 15120435255 in words is "fifteen billion, one hundred twenty million, four hundred thirty-five thousand, two hundred fifty-five".