23111078554 has 16 divisors (see below), whose sum is σ = 35101535328. Its totient is φ = 11411470512.

The previous prime is 23111078539. The next prime is 23111078567. The reversal of 23111078554 is 45587011132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174592 + ... + 276955.

It is an arithmetic number, because the mean of its divisors is an integer number (2193845958).

Almost surely, 2^23111078554 is an apocalyptic number.

23111078554 is a deficient number, since it is larger than the sum of its proper divisors (11990456774).

23111078554 is a wasteful number, since it uses less digits than its factorization.

23111078554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451869.

The product of its (nonzero) digits is 33600, while the sum is 37.

Adding to 23111078554 its reverse (45587011132), we get a palindrome (68698089686).

The spelling of 23111078554 in words is "twenty-three billion, one hundred eleven million, seventy-eight thousand, five hundred fifty-four".