15192420481 has 24 divisors (see below), whose sum is σ = 18894145536. Its totient is φ = 11957076480.

The previous prime is 15192420469. The next prime is 15192420491. The reversal of 15192420481 is 18402429151.

It is not a de Polignac number, because 15192420481 - 2²¹ = 15190323329 is a prime.

It is a super-2 number, since 2×15192420481² (a number of 21 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 15192420481.

It is not an unprimeable number, because it can be changed into a prime (15192420431) 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, 8641 + ... + 174526.

It is an arithmetic number, because the mean of its divisors is an integer number (787256064).

Almost surely, 2^15192420481 is an apocalyptic number.

It is an amenable number.

15192420481 is a deficient number, since it is larger than the sum of its proper divisors (3701725055).

15192420481 is a wasteful number, since it uses less digits than its factorization.

15192420481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183249 (or 183232 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The spelling of 15192420481 in words is "fifteen billion, one hundred ninety-two million, four hundred twenty thousand, four hundred eighty-one".