15318919054 has 16 divisors (see below), whose sum is σ = 23292133200. Its totient is φ = 7555286464.

The previous prime is 15318919051. The next prime is 15318919067. The reversal of 15318919054 is 45091981351.

It is a junction number, because it is equal to n+sod(n) for n = 15318918995 and 15318919013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15318919051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28117 + ... + 177280.

It is an arithmetic number, because the mean of its divisors is an integer number (1455758325).

Almost surely, 2^15318919054 is an apocalyptic number.

15318919054 is a deficient number, since it is larger than the sum of its proper divisors (7973214146).

15318919054 is a wasteful number, since it uses less digits than its factorization.

15318919054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205907.

The product of its (nonzero) digits is 194400, while the sum is 46.

The spelling of 15318919054 in words is "fifteen billion, three hundred eighteen million, nine hundred nineteen thousand, fifty-four".