23151225445511 has 4 divisors (see below), whose sum is σ = 23253213223032. Its totient is φ = 23049237667992.

The previous prime is 23151225445507. The next prime is 23151225445531. The reversal of 23151225445511 is 11554452215132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23151225445511 - 2² = 23151225445507 is a prime.

It is a super-2 number, since 2×23151225445511² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23151225445531) by changing a digit.

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, 50993888420 + ... + 50993888873.

It is an arithmetic number, because the mean of its divisors is an integer number (5813303305758).

Almost surely, 2^{23151225445511} is an apocalyptic number.

23151225445511 is a deficient number, since it is larger than the sum of its proper divisors (101987777521).

23151225445511 is a wasteful number, since it uses less digits than its factorization.

23151225445511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101987777520.

The product of its digits is 240000, while the sum is 41.

The spelling of 23151225445511 in words is "twenty-three trillion, one hundred fifty-one billion, two hundred twenty-five million, four hundred forty-five thousand, five hundred eleven".