11121432051 has 12 divisors (see below), whose sum is σ = 15650105352. Its totient is φ = 7024061664.

The previous prime is 11121432017. The next prime is 11121432071. The reversal of 11121432051 is 15023412111.

It is not a de Polignac number, because 11121432051 - 2⁶ = 11121431987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11121432071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5133466 + ... + 5135631.

It is an arithmetic number, because the mean of its divisors is an integer number (1304175446).

Almost surely, 2^11121432051 is an apocalyptic number.

11121432051 is a deficient number, since it is larger than the sum of its proper divisors (4528673301).

11121432051 is a wasteful number, since it uses less digits than its factorization.

11121432051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10269138 (or 10269119 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 11121432051 its reverse (15023412111), we get a palindrome (26144844162).

The spelling of 11121432051 in words is "eleven billion, one hundred twenty-one million, four hundred thirty-two thousand, fifty-one".