11421104051 has 16 divisors (see below), whose sum is σ = 13156566720. Its totient is φ = 9711705600.

The previous prime is 11421104027. The next prime is 11421104063. The reversal of 11421104051 is 15040112411.

It is a cyclic number.

It is not a de Polignac number, because 11421104051 - 2⁶ = 11421103987 is a prime.

It is a super-2 number, since 2×11421104051² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11421104081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2000501 + ... + 2006201.

It is an arithmetic number, because the mean of its divisors is an integer number (822285420).

Almost surely, 2^11421104051 is an apocalyptic number.

11421104051 is a deficient number, since it is larger than the sum of its proper divisors (1735462669).

11421104051 is a wasteful number, since it uses less digits than its factorization.

11421104051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7934.

The product of its (nonzero) digits is 160, while the sum is 20.

Adding to 11421104051 its reverse (15040112411), we get a palindrome (26461216462).

The spelling of 11421104051 in words is "eleven billion, four hundred twenty-one million, one hundred four thousand, fifty-one".