15046840481 has 4 divisors (see below), whose sum is σ = 15532222464. Its totient is φ = 14561458500.

The previous prime is 15046840463. The next prime is 15046840541. The reversal of 15046840481 is 18404864051.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 18404864051 = 7 ⋅2629266293.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15046840481 is a prime.

It is a super-2 number, since 2×15046840481² (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 (15046840381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242690945 + ... + 242691006.

It is an arithmetic number, because the mean of its divisors is an integer number (3883055616).

Almost surely, 2^15046840481 is an apocalyptic number.

It is an amenable number.

15046840481 is a deficient number, since it is larger than the sum of its proper divisors (485381983).

15046840481 is an equidigital number, since it uses as much as digits as its factorization.

15046840481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485381982.

The product of its (nonzero) digits is 122880, while the sum is 41.

The spelling of 15046840481 in words is "fifteen billion, forty-six million, eight hundred forty thousand, four hundred eighty-one".