15272562481 has 4 divisors (see below), whose sum is σ = 16660977264. Its totient is φ = 13884147700.

The previous prime is 15272562433. The next prime is 15272562509. The reversal of 15272562481 is 18426527251.

15272562481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 15272562481 - 2¹⁷ = 15272431409 is a prime.

It is a super-2 number, since 2×15272562481² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15272562181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 694207375 + ... + 694207396.

It is an arithmetic number, because the mean of its divisors is an integer number (4165244316).

Almost surely, 2^15272562481 is an apocalyptic number.

15272562481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

15272562481 is a deficient number, since it is larger than the sum of its proper divisors (1388414783).

15272562481 is a wasteful number, since it uses less digits than its factorization.

15272562481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388414782.

The product of its digits is 268800, while the sum is 43.

The spelling of 15272562481 in words is "fifteen billion, two hundred seventy-two million, five hundred sixty-two thousand, four hundred eighty-one".