11402126305 has 4 divisors (see below), whose sum is σ = 13682551572. Its totient is φ = 9121701040.

The previous prime is 11402126299. The next prime is 11402126311. The reversal of 11402126305 is 50362120411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50362120411 = 53 ⋅950228687.

It is an interprime number because it is at equal distance from previous prime (11402126299) and next prime (11402126311).

It can be written as a sum of positive squares in 2 ways, for example, as 4420521169 + 6981605136 = 66487^2 + 83556^2 .

It is not a de Polignac number, because 11402126305 - 2¹⁵ = 11402093537 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 11402126305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1140212626 + ... + 1140212635.

It is an arithmetic number, because the mean of its divisors is an integer number (3420637893).

Almost surely, 2^11402126305 is an apocalyptic number.

It is an amenable number.

11402126305 is a deficient number, since it is larger than the sum of its proper divisors (2280425267).

11402126305 is an equidigital number, since it uses as much as digits as its factorization.

11402126305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2280425266.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 11402126305 its reverse (50362120411), we get a palindrome (61764246716).

The spelling of 11402126305 in words is "eleven billion, four hundred two million, one hundred twenty-six thousand, three hundred five".