15494808713664 has 112 divisors (see below), whose sum is σ = 46925769097728. Its totient is φ = 4420245470208.

The previous prime is 15494808713563. The next prime is 15494808713689. The reversal of 15494808713664 is 46631780849451.

It is a tau number, because it is divible by the number of its divisors (112).

It is a junction number, because it is equal to n+sod(n) for n = 15494808713595 and 15494808713604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8039919 + ... + 9779054.

Almost surely, 2^{15494808713664} is an apocalyptic number.

15494808713664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

15494808713664 is an abundant number, since it is smaller than the sum of its proper divisors (31430960384064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15494808713664 is a wasteful number, since it uses less digits than its factorization.

15494808713664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17819642 (or 17819632 counting only the distinct ones).

The product of its (nonzero) digits is 139345920, while the sum is 66.

The spelling of 15494808713664 in words is "fifteen trillion, four hundred ninety-four billion, eight hundred eight million, seven hundred thirteen thousand, six hundred sixty-four".