11321285480251 has 4 divisors (see below), whose sum is σ = 11490259890472. Its totient is φ = 11152311070032.

The previous prime is 11321285480243. The next prime is 11321285480311. The reversal of 11321285480251 is 15208458212311.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11321285480251 - 2³ = 11321285480243 is a prime.

It is a super-2 number, since 2×11321285480251² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11321285480198 and 11321285480207.

It is not an unprimeable number, because it can be changed into a prime (11321285480951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84487205010 + ... + 84487205143.

It is an arithmetic number, because the mean of its divisors is an integer number (2872564972618).

Almost surely, 2^{11321285480251} is an apocalyptic number.

11321285480251 is a deficient number, since it is larger than the sum of its proper divisors (168974410221).

11321285480251 is an equidigital number, since it uses as much as digits as its factorization.

11321285480251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168974410220.

The product of its (nonzero) digits is 153600, while the sum is 43.

The spelling of 11321285480251 in words is "eleven trillion, three hundred twenty-one billion, two hundred eighty-five million, four hundred eighty thousand, two hundred fifty-one".