11415309421 has 8 divisors (see below), whose sum is σ = 12309192000. Its totient is φ = 10550734560.

The previous prime is 11415309391. The next prime is 11415309431. The reversal of 11415309421 is 12490351411.

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 11415309421 - 2¹⁷ = 11415178349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11415309431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7326121 + ... + 7327678.

It is an arithmetic number, because the mean of its divisors is an integer number (1538649000).

Almost surely, 2^11415309421 is an apocalyptic number.

It is an amenable number.

11415309421 is a deficient number, since it is larger than the sum of its proper divisors (893882579).

11415309421 is a wasteful number, since it uses less digits than its factorization.

11415309421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14653859.

The product of its (nonzero) digits is 4320, while the sum is 31.

The spelling of 11415309421 in words is "eleven billion, four hundred fifteen million, three hundred nine thousand, four hundred twenty-one".