11623225165251 has 16 divisors (see below), whose sum is σ = 17711636438784. Its totient is φ = 6641822238624.

The previous prime is 11623225165241. The next prime is 11623225165361. The reversal of 11623225165251 is 15256152232611.

It is a happy number.

It is not a de Polignac number, because 11623225165251 - 2⁶ = 11623225165187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11623225165241) 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, 8287425 + ... + 9587901.

It is an arithmetic number, because the mean of its divisors is an integer number (1106977277424).

Almost surely, 2^{11623225165251} is an apocalyptic number.

11623225165251 is a deficient number, since it is larger than the sum of its proper divisors (6088411273533).

11623225165251 is a wasteful number, since it uses less digits than its factorization.

11623225165251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1726090.

The product of its digits is 216000, while the sum is 42.

Adding to 11623225165251 its reverse (15256152232611), we get a palindrome (26879377397862).

The spelling of 11623225165251 in words is "eleven trillion, six hundred twenty-three billion, two hundred twenty-five million, one hundred sixty-five thousand, two hundred fifty-one".