23115511341512 has 16 divisors (see below), whose sum is σ = 43342671081840. Its totient is φ = 11557465719696.

The previous prime is 23115511341511. The next prime is 23115511341541. The reversal of 23115511341512 is 21514311551132.

It is a super-2 number, since 2×23115511341512² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23115511341511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35904878 + ... + 36543005.

It is an arithmetic number, because the mean of its divisors is an integer number (2708916942615).

Almost surely, 2^{23115511341512} is an apocalyptic number.

It is an amenable number.

23115511341512 is a deficient number, since it is larger than the sum of its proper divisors (20227159740328).

23115511341512 is a wasteful number, since it uses less digits than its factorization.

23115511341512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72487772 (or 72487768 counting only the distinct ones).

The product of its digits is 18000, while the sum is 35.

Adding to 23115511341512 its reverse (21514311551132), we get a palindrome (44629822892644).

The spelling of 23115511341512 in words is "twenty-three trillion, one hundred fifteen billion, five hundred eleven million, three hundred forty-one thousand, five hundred twelve".