15483374721 has 32 divisors (see below), whose sum is σ = 24154524800. Its totient is φ = 9775365120.

The previous prime is 15483374701. The next prime is 15483374741. The reversal of 15483374721 is 12747338451.

15483374721 is a `hidden beast` number, since 1 + 548 + 3 + 37 + 4 + 72 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (15483374701) and next prime (15483374741).

It is not a de Polignac number, because 15483374721 - 2¹⁴ = 15483358337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15483374701) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2385801 + ... + 2392281.

It is an arithmetic number, because the mean of its divisors is an integer number (754828900).

Almost surely, 2^15483374721 is an apocalyptic number.

It is an amenable number.

15483374721 is a deficient number, since it is larger than the sum of its proper divisors (8671150079).

15483374721 is a wasteful number, since it uses less digits than its factorization.

15483374721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11166 (or 11160 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The spelling of 15483374721 in words is "fifteen billion, four hundred eighty-three million, three hundred seventy-four thousand, seven hundred twenty-one".