15481423781200 has 120 divisors (see below), whose sum is σ = 40056814199808. Its totient is φ = 5715988631040.

The previous prime is 15481423781167. The next prime is 15481423781207. The reversal of 15481423781200 is 218732418451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15481423781207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 184157577 + ... + 184241623.

Almost surely, 2^{15481423781200} is an apocalyptic number.

15481423781200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15481423781200 is an abundant number, since it is smaller than the sum of its proper divisors (24575390418608).

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

15481423781200 is a wasteful number, since it uses less digits than its factorization.

15481423781200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119501 (or 119490 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 46.

The spelling of 15481423781200 in words is "fifteen trillion, four hundred eighty-one billion, four hundred twenty-three million, seven hundred eighty-one thousand, two hundred".