11032129988 has 72 divisors (see below), whose sum is σ = 21698057304. Its totient is φ = 4902543360.

The previous prime is 11032129987. The next prime is 11032130027. The reversal of 11032129988 is 88992123011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4402587904 + 6629542084 = 66352^2 + 81422^2 .

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (11032129987) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9567620 + ... + 9568772.

It is an arithmetic number, because the mean of its divisors is an integer number (301361907).

Almost surely, 2^11032129988 is an apocalyptic number.

It is an amenable number.

11032129988 is a deficient number, since it is larger than the sum of its proper divisors (10665927316).

11032129988 is a wasteful number, since it uses less digits than its factorization.

11032129988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605 (or 1592 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 44.

The spelling of 11032129988 in words is "eleven billion, thirty-two million, one hundred twenty-nine thousand, nine hundred eighty-eight".