11654039530 has 32 divisors (see below), whose sum is σ = 24211405440. Its totient is φ = 3956107200.

The previous prime is 11654039513. The next prime is 11654039531. The reversal of 11654039530 is 3593045611.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11654039530.

It is not an unprimeable number, because it can be changed into a prime (11654039531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 817120 + ... + 831259.

It is an arithmetic number, because the mean of its divisors is an integer number (756606420).

Almost surely, 2^11654039530 is an apocalyptic number.

11654039530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11654039530 is an abundant number, since it is smaller than the sum of its proper divisors (12557365910).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11654039530 is a wasteful number, since it uses less digits than its factorization.

11654039530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648494.

The product of its (nonzero) digits is 48600, while the sum is 37.

The spelling of 11654039530 in words is "eleven billion, six hundred fifty-four million, thirty-nine thousand, five hundred thirty".