22451215431151 has 8 divisors (see below), whose sum is σ = 25450770529520. Its totient is φ = 19633451550912.

The previous prime is 22451215431103. The next prime is 22451215431167. The reversal of 22451215431151 is 15113451215422.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22451215431151 - 2¹¹ = 22451215429103 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 22451215431151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22451215431101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45447804270 + ... + 45447804763.

It is an arithmetic number, because the mean of its divisors is an integer number (3181346316190).

Almost surely, 2^{22451215431151} is an apocalyptic number.

22451215431151 is a deficient number, since it is larger than the sum of its proper divisors (2999555098369).

22451215431151 is a wasteful number, since it uses less digits than its factorization.

22451215431151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90895609065.

The product of its digits is 48000, while the sum is 37.

Adding to 22451215431151 its reverse (15113451215422), we get a palindrome (37564666646573).

The spelling of 22451215431151 in words is "twenty-two trillion, four hundred fifty-one billion, two hundred fifteen million, four hundred thirty-one thousand, one hundred fifty-one".