11420400013 has 32 divisors (see below), whose sum is σ = 13494263040. Its totient is φ = 9555786240.

The previous prime is 11420399999. The next prime is 11420400049. The reversal of 11420400013 is 31000402411.

It is not a de Polignac number, because 11420400013 - 2²⁹ = 10883529101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11420400013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11423400013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2293995 + ... + 2298967.

It is an arithmetic number, because the mean of its divisors is an integer number (421695720).

Almost surely, 2^11420400013 is an apocalyptic number.

It is an amenable number.

11420400013 is a deficient number, since it is larger than the sum of its proper divisors (2073863027).

11420400013 is a wasteful number, since it uses less digits than its factorization.

11420400013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5349.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 11420400013 its reverse (31000402411), we get a palindrome (42420802424).

The spelling of 11420400013 in words is "eleven billion, four hundred twenty million, four hundred thousand, thirteen".