11523354554 has 8 divisors (see below), whose sum is σ = 17328572148. Its totient is φ = 5747163840.

The previous prime is 11523354497. The next prime is 11523354559. The reversal of 11523354554 is 45545332511.

It can be written as a sum of positive squares in 2 ways, for example, as 11456491225 + 66863329 = 107035^2 + 8177^2 .

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

It is not an unprimeable number, because it can be changed into a prime (11523354559) 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, 7255727 + ... + 7257314.

Almost surely, 2^11523354554 is an apocalyptic number.

11523354554 is a deficient number, since it is larger than the sum of its proper divisors (5805217594).

11523354554 is a wasteful number, since it uses less digits than its factorization.

11523354554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14513440.

The product of its digits is 180000, while the sum is 38.

The spelling of 11523354554 in words is "eleven billion, five hundred twenty-three million, three hundred fifty-four thousand, five hundred fifty-four".