15055221401144 has 32 divisors (see below), whose sum is σ = 29895507803520. Its totient is φ = 7092855761376.

The previous prime is 15055221401063. The next prime is 15055221401177. The reversal of 15055221401144 is 44110412255051.

15055221401144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 610598534 + ... + 610623189.

It is an arithmetic number, because the mean of its divisors is an integer number (934234618860).

Almost surely, 2^{15055221401144} is an apocalyptic number.

It is an amenable number.

15055221401144 is a deficient number, since it is larger than the sum of its proper divisors (14840286402376).

15055221401144 is a wasteful number, since it uses less digits than its factorization.

15055221401144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221221819 (or 1221221815 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 35.

Adding to 15055221401144 its reverse (44110412255051), we get a palindrome (59165633656195).

The spelling of 15055221401144 in words is "fifteen trillion, fifty-five billion, two hundred twenty-one million, four hundred one thousand, one hundred forty-four".