11251530231321 has 8 divisors (see below), whose sum is σ = 15009530101920. Its totient is φ = 7497275257472.

The previous prime is 11251530231311. The next prime is 11251530231397. The reversal of 11251530231321 is 12313203515211.

It is a happy number.

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 11251530231321 - 2²³ = 11251521842713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11251530231311) 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, 936217176 + ... + 936229193.

It is an arithmetic number, because the mean of its divisors is an integer number (1876191262740).

Almost surely, 2^{11251530231321} is an apocalyptic number.

It is an amenable number.

11251530231321 is a deficient number, since it is larger than the sum of its proper divisors (3757999870599).

11251530231321 is a wasteful number, since it uses less digits than its factorization.

11251530231321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1872448375.

The product of its (nonzero) digits is 5400, while the sum is 30.

Adding to 11251530231321 its reverse (12313203515211), we get a palindrome (23564733746532).

The spelling of 11251530231321 in words is "eleven trillion, two hundred fifty-one billion, five hundred thirty million, two hundred thirty-one thousand, three hundred twenty-one".