11043661656252 has 48 divisors (see below), whose sum is σ = 26404335159552. Its totient is φ = 3590442817920.

The previous prime is 11043661656221. The next prime is 11043661656253. The reversal of 11043661656252 is 25265616634011.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11043661656253) 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, 1315258 + ... + 4880289.

It is an arithmetic number, because the mean of its divisors is an integer number (550090315824).

Almost surely, 2^{11043661656252} is an apocalyptic number.

11043661656252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11043661656252 is an abundant number, since it is smaller than the sum of its proper divisors (15360673503300).

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

11043661656252 is a wasteful number, since it uses less digits than its factorization.

11043661656252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6199218 (or 6199216 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 48.

The spelling of 11043661656252 in words is "eleven trillion, forty-three billion, six hundred sixty-one million, six hundred fifty-six thousand, two hundred fifty-two".