15441194218016 has 24 divisors (see below), whose sum is σ = 34742686991040. Its totient is φ = 6617654664768.

The previous prime is 15441194218003. The next prime is 15441194218067. The reversal of 15441194218016 is 61081249114451.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34466951156 + ... + 34466951603.

It is an arithmetic number, because the mean of its divisors is an integer number (1447611957960).

Almost surely, 2^{15441194218016} is an apocalyptic number.

15441194218016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15441194218016 is an abundant number, since it is smaller than the sum of its proper divisors (19301492773024).

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

15441194218016 is an equidigital number, since it uses as much as digits as its factorization.

15441194218016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68933902776 (or 68933902768 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 47.

The spelling of 15441194218016 in words is "fifteen trillion, four hundred forty-one billion, one hundred ninety-four million, two hundred eighteen thousand, sixteen".