11454309988 has 24 divisors (see below), whose sum is σ = 22166877600. Its totient is φ = 5135181120.

The previous prime is 11454309983. The next prime is 11454309991. The reversal of 11454309988 is 88990345411.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (11454309983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1779838 + ... + 1786261.

It is an arithmetic number, because the mean of its divisors is an integer number (923619900).

Almost surely, 2^11454309988 is an apocalyptic number.

It is an amenable number.

11454309988 is a deficient number, since it is larger than the sum of its proper divisors (10712567612).

11454309988 is a wasteful number, since it uses less digits than its factorization.

11454309988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3566187 (or 3566185 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 52.

The spelling of 11454309988 in words is "eleven billion, four hundred fifty-four million, three hundred nine thousand, nine hundred eighty-eight".