15484977441252 has 144 divisors (see below), whose sum is σ = 46065895005312. Its totient is φ = 4333064586240.

The previous prime is 15484977441191. The next prime is 15484977441257. The reversal of 15484977441252 is 25214477948451.

It is a happy number.

15484977441252 is a `hidden beast` number, since 1 + 5 + 4 + 84 + 97 + 7 + 4 + 412 + 52 = 666.

It is a super-2 number, since 2×15484977441252² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15484977441252.

It is not an unprimeable number, because it can be changed into a prime (15484977441257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21343248 + ... + 22056839.

It is an arithmetic number, because the mean of its divisors is an integer number (319902048648).

Almost surely, 2^{15484977441252} is an apocalyptic number.

15484977441252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15484977441252 is an abundant number, since it is smaller than the sum of its proper divisors (30580917564060).

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

15484977441252 is a wasteful number, since it uses less digits than its factorization.

15484977441252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43400178 (or 43400173 counting only the distinct ones).

The product of its digits is 90316800, while the sum is 63.

The spelling of 15484977441252 in words is "fifteen trillion, four hundred eighty-four billion, nine hundred seventy-seven million, four hundred forty-one thousand, two hundred fifty-two".