15454954545216 has 112 divisors (see below), whose sum is σ = 43298032377600. Its totient is φ = 4848452853760.

The previous prime is 15454954545211. The next prime is 15454954545229. The reversal of 15454954545216 is 61254545945451.

It is a self number, because there is not a number n which added to its sum of digits gives 15454954545216.

It is not an unprimeable number, because it can be changed into a prime (15454954545211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133599721 + ... + 133715351.

It is an arithmetic number, because the mean of its divisors is an integer number (386589574800).

Almost surely, 2^{15454954545216} is an apocalyptic number.

15454954545216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15454954545216 is an abundant number, since it is smaller than the sum of its proper divisors (27843077832384).

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

15454954545216 is a wasteful number, since it uses less digits than its factorization.

15454954545216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156612 (or 156602 counting only the distinct ones).

The product of its digits is 86400000, while the sum is 60.

The spelling of 15454954545216 in words is "fifteen trillion, four hundred fifty-four billion, nine hundred fifty-four million, five hundred forty-five thousand, two hundred sixteen".