11402323105251 has 32 divisors (see below), whose sum is σ = 16434738673920. Its totient is φ = 6990219460224.

The previous prime is 11402323105171. The next prime is 11402323105297. The reversal of 11402323105251 is 15250132320411.

It is a happy number.

It is not a de Polignac number, because 11402323105251 - 2⁷ = 11402323105123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11402323105451) 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, 10333456 + ... + 11383538.

It is an arithmetic number, because the mean of its divisors is an integer number (513585583560).

Almost surely, 2^{11402323105251} is an apocalyptic number.

11402323105251 is a deficient number, since it is larger than the sum of its proper divisors (5032415568669).

11402323105251 is a wasteful number, since it uses less digits than its factorization.

11402323105251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051155.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 11402323105251 its reverse (15250132320411), we get a palindrome (26652455425662).

The spelling of 11402323105251 in words is "eleven trillion, four hundred two billion, three hundred twenty-three million, one hundred five thousand, two hundred fifty-one".