11122511311351 has 4 divisors (see below), whose sum is σ = 12133648703304. Its totient is φ = 10111373919400.

The previous prime is 11122511311349. The next prime is 11122511311399. The reversal of 11122511311351 is 15311311522111.

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 11122511311351 - 2¹ = 11122511311349 is a prime.

It is a super-2 number, since 2×11122511311351² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122511311651) 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, 505568695960 + ... + 505568695981.

It is an arithmetic number, because the mean of its divisors is an integer number (3033412175826).

Almost surely, 2^{11122511311351} is an apocalyptic number.

11122511311351 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11122511311351 is a deficient number, since it is larger than the sum of its proper divisors (1011137391953).

11122511311351 is a wasteful number, since it uses less digits than its factorization.

11122511311351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011137391952.

The product of its digits is 900, while the sum is 28.

Adding to 11122511311351 its reverse (15311311522111), we get a palindrome (26433822833462).

The spelling of 11122511311351 in words is "eleven trillion, one hundred twenty-two billion, five hundred eleven million, three hundred eleven thousand, three hundred fifty-one".