5481850721724 has 72 divisors (see below), whose sum is σ = 15475512772720. Its totient is φ = 1686723295104.

The previous prime is 5481850721717. The next prime is 5481850721731. The reversal of 5481850721724 is 4271270581845.

5481850721724 is a `hidden beast` number, since 5 + 48 + 1 + 8 + 507 + 21 + 72 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (5481850721717) and next prime (5481850721731).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 216901369 + ... + 216926640.

Almost surely, 2^{5481850721724} is an apocalyptic number.

5481850721724 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

5481850721724 is an abundant number, since it is smaller than the sum of its proper divisors (9993662050996).

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

5481850721724 is a wasteful number, since it uses less digits than its factorization.

5481850721724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433828041 (or 433828027 counting only the distinct ones).

The product of its (nonzero) digits is 5017600, while the sum is 54.

The spelling of 5481850721724 in words is "five trillion, four hundred eighty-one billion, eight hundred fifty million, seven hundred twenty-one thousand, seven hundred twenty-four".