11321515401 has 8 divisors (see below), whose sum is σ = 17251833024. Its totient is φ = 6469437360.

The previous prime is 11321515379. The next prime is 11321515417. The reversal of 11321515401 is 10451512311.

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

It is not a de Polignac number, because 11321515401 - 2⁷ = 11321515273 is a prime.

It is a super-6 number, since 6×11321515401⁶ (a number of 62 digits) contains 666666 as substring.

It is not an unprimeable number, because it can be changed into a prime (11321515421) 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, 269559870 + ... + 269559911.

It is an arithmetic number, because the mean of its divisors is an integer number (2156479128).

Almost surely, 2^11321515401 is an apocalyptic number.

It is an amenable number.

11321515401 is a deficient number, since it is larger than the sum of its proper divisors (5930317623).

11321515401 is an equidigital number, since it uses as much as digits as its factorization.

11321515401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539119791.

The product of its (nonzero) digits is 600, while the sum is 24.

The spelling of 11321515401 in words is "eleven billion, three hundred twenty-one million, five hundred fifteen thousand, four hundred one".