11404012402 has 4 divisors (see below), whose sum is σ = 17106018606. Its totient is φ = 5702006200.

The previous prime is 11404012397. The next prime is 11404012457. The reversal of 11404012402 is 20421040411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20421040411 = 59 ⋅346119329.

It can be written as a sum of positive squares in only one way, i.e., 8038736281 + 3365276121 = 89659^2 + 58011^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11404012402.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2851003099 + ... + 2851003102.

Almost surely, 2^11404012402 is an apocalyptic number.

11404012402 is a deficient number, since it is larger than the sum of its proper divisors (5702006204).

11404012402 is an equidigital number, since it uses as much as digits as its factorization.

11404012402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5702006203.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 11404012402 its reverse (20421040411), we get a palindrome (31825052813).

The spelling of 11404012402 in words is "eleven billion, four hundred four million, twelve thousand, four hundred two".