15421640113 has 8 divisors (see below), whose sum is σ = 16832452320. Its totient is φ = 14012302080.

The previous prime is 15421640081. The next prime is 15421640131. The reversal of 15421640113 is 31104612451.

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

It is a cyclic number.

It is not a de Polignac number, because 15421640113 - 2⁵ = 15421640081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15421640173) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 346608 + ... + 388561.

It is an arithmetic number, because the mean of its divisors is an integer number (2104056540).

Almost surely, 2^15421640113 is an apocalyptic number.

It is an amenable number.

15421640113 is a deficient number, since it is larger than the sum of its proper divisors (1410812207).

15421640113 is a wasteful number, since it uses less digits than its factorization.

15421640113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737087.

The product of its (nonzero) digits is 2880, while the sum is 28.

The spelling of 15421640113 in words is "fifteen billion, four hundred twenty-one million, six hundred forty thousand, one hundred thirteen".