11523633400066 has 8 divisors (see below), whose sum is σ = 17295122993040. Its totient is φ = 5758592402388.

The previous prime is 11523633400057. The next prime is 11523633400087. The reversal of 11523633400066 is 66000433632511.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1612144356 + ... + 1612151503.

It is an arithmetic number, because the mean of its divisors is an integer number (2161890374130).

Almost surely, 2^{11523633400066} is an apocalyptic number.

11523633400066 is a deficient number, since it is larger than the sum of its proper divisors (5771489592974).

11523633400066 is a wasteful number, since it uses less digits than its factorization.

11523633400066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3224297648.

The product of its (nonzero) digits is 233280, while the sum is 40.

The spelling of 11523633400066 in words is "eleven trillion, five hundred twenty-three billion, six hundred thirty-three million, four hundred thousand, sixty-six".