11547621140 has 48 divisors (see below), whose sum is σ = 26505589824. Its totient is φ = 4191033600.

The previous prime is 11547621133. The next prime is 11547621193. The reversal of 11547621140 is 4112674511.

It is a junction number, because it is equal to n+sod(n) for n = 11547621097 and 11547621106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64247 + ... + 164993.

It is an arithmetic number, because the mean of its divisors is an integer number (552199788).

Almost surely, 2^11547621140 is an apocalyptic number.

11547621140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11547621140 is an abundant number, since it is smaller than the sum of its proper divisors (14957968684).

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

11547621140 is a wasteful number, since it uses less digits than its factorization.

11547621140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101288 (or 101286 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The spelling of 11547621140 in words is "eleven billion, five hundred forty-seven million, six hundred twenty-one thousand, one hundred forty".