11345422121455 has 8 divisors (see below), whose sum is σ = 13616119116432. Its totient is φ = 9075262650048.

The previous prime is 11345422121431. The next prime is 11345422121471. The reversal of 11345422121455 is 55412122454311.

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 11345422121455 - 2⁹ = 11345422120943 is a prime.

It is a super-2 number, since 2×11345422121455² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134334454 + ... + 134418883.

It is an arithmetic number, because the mean of its divisors is an integer number (1702014889554).

Almost surely, 2^{11345422121455} is an apocalyptic number.

11345422121455 is a deficient number, since it is larger than the sum of its proper divisors (2270696994977).

11345422121455 is an equidigital number, since it uses as much as digits as its factorization.

11345422121455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268761785.

The product of its digits is 192000, while the sum is 40.

Adding to 11345422121455 its reverse (55412122454311), we get a palindrome (66757544575766).

The spelling of 11345422121455 in words is "eleven trillion, three hundred forty-five billion, four hundred twenty-two million, one hundred twenty-one thousand, four hundred fifty-five".