11545555154 has 16 divisors (see below), whose sum is σ = 19794414528. Its totient is φ = 4947586512.

The previous prime is 11545555129. The next prime is 11545555159. The reversal of 11545555154 is 45155554511.

It is not an unprimeable number, because it can be changed into a prime (11545555159) 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, 120209 + ... + 193755.

It is an arithmetic number, because the mean of its divisors is an integer number (1237150908).

Almost surely, 2^11545555154 is an apocalyptic number.

11545555154 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11545555154 is a deficient number, since it is larger than the sum of its proper divisors (8248859374).

11545555154 is a wasteful number, since it uses less digits than its factorization.

11545555154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84769.

The product of its digits is 250000, while the sum is 41.

The spelling of 11545555154 in words is "eleven billion, five hundred forty-five million, five hundred fifty-five thousand, one hundred fifty-four".