15321045122 has 8 divisors (see below), whose sum is σ = 23722908672. Its totient is φ = 7413408900.

The previous prime is 15321045097. The next prime is 15321045127. The reversal of 15321045122 is 22154012351.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×15321045122⁴ (a number of 42 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15321045091 and 15321045100.

It is not an unprimeable number, because it can be changed into a prime (15321045127) 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, 123556754 + ... + 123556877.

It is an arithmetic number, because the mean of its divisors is an integer number (2965363584).

Almost surely, 2^15321045122 is an apocalyptic number.

15321045122 is a deficient number, since it is larger than the sum of its proper divisors (8401863550).

15321045122 is a wasteful number, since it uses less digits than its factorization.

15321045122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247113664.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 15321045122 its reverse (22154012351), we get a palindrome (37475057473).

The spelling of 15321045122 in words is "fifteen billion, three hundred twenty-one million, forty-five thousand, one hundred twenty-two".