11409428652 has 24 divisors (see below), whose sum is σ = 26636832432. Its totient is φ = 3801024000.

The previous prime is 11409428623. The next prime is 11409428687. The reversal of 11409428652 is 25682490411.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242349 + ... + 285572.

It is an arithmetic number, because the mean of its divisors is an integer number (1109868018).

Almost surely, 2^11409428652 is an apocalyptic number.

11409428652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11409428652 is an abundant number, since it is smaller than the sum of its proper divisors (15227403780).

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

11409428652 is a wasteful number, since it uses less digits than its factorization.

11409428652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529729 (or 529727 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 11409428652 in words is "eleven billion, four hundred nine million, four hundred twenty-eight thousand, six hundred fifty-two".