15321133990 has 8 divisors (see below), whose sum is σ = 27578041200. Its totient is φ = 6128453592.

The previous prime is 15321133979. The next prime is 15321134021. The reversal of 15321133990 is 9933112351.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 766056690 + ... + 766056709.

It is an arithmetic number, because the mean of its divisors is an integer number (3447255150).

Almost surely, 2^15321133990 is an apocalyptic number.

15321133990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15321133990 is a deficient number, since it is larger than the sum of its proper divisors (12256907210).

15321133990 is a wasteful number, since it uses less digits than its factorization.

15321133990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532113406.

The product of its (nonzero) digits is 21870, while the sum is 37.

The spelling of 15321133990 in words is "fifteen billion, three hundred twenty-one million, one hundred thirty-three thousand, nine hundred ninety".