11009969656 has 32 divisors (see below), whose sum is σ = 23611392000. Its totient is φ = 4714838496.

The previous prime is 11009969651. The next prime is 11009969699. The reversal of 11009969656 is 65696990011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11009969651) 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, 5236 + ... + 148483.

It is an arithmetic number, because the mean of its divisors is an integer number (737856000).

Almost surely, 2^11009969656 is an apocalyptic number.

It is an amenable number.

11009969656 is an abundant number, since it is smaller than the sum of its proper divisors (12601422344).

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

11009969656 is a wasteful number, since it uses less digits than its factorization.

11009969656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155011 (or 155007 counting only the distinct ones).

The product of its (nonzero) digits is 787320, while the sum is 52.

The spelling of 11009969656 in words is "eleven billion, nine million, nine hundred sixty-nine thousand, six hundred fifty-six".