15117013455 has 8 divisors (see below), whose sum is σ = 24187221552. Its totient is φ = 8062407168.

The previous prime is 15117013451. The next prime is 15117013459. The reversal of 15117013455 is 55431071151.

15117013455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (15117013451) and next prime (15117013459).

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

It is not a de Polignac number, because 15117013455 - 2² = 15117013451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15117013451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 503900434 + ... + 503900463.

It is an arithmetic number, because the mean of its divisors is an integer number (3023402694).

Almost surely, 2^15117013455 is an apocalyptic number.

15117013455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15117013455 is a deficient number, since it is larger than the sum of its proper divisors (9070208097).

15117013455 is a wasteful number, since it uses less digits than its factorization.

15117013455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007800905.

The product of its (nonzero) digits is 10500, while the sum is 33.

The spelling of 15117013455 in words is "fifteen billion, one hundred seventeen million, thirteen thousand, four hundred fifty-five".