11012131232 has 24 divisors (see below), whose sum is σ = 21714531552. Its totient is φ = 5497329600.

The previous prime is 11012131223. The next prime is 11012131237. The reversal of 11012131232 is 23213121011.

It is a self number, because there is not a number n which added to its sum of digits gives 11012131232.

It is not an unprimeable number, because it can be changed into a prime (11012131237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252494 + ... + 292877.

It is an arithmetic number, because the mean of its divisors is an integer number (904772148).

Almost surely, 2^11012131232 is an apocalyptic number.

It is an amenable number.

11012131232 is a deficient number, since it is larger than the sum of its proper divisors (10702400320).

11012131232 is an equidigital number, since it uses as much as digits as its factorization.

11012131232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546012 (or 546004 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11012131232 its reverse (23213121011), we get a palindrome (34225252243).

The spelling of 11012131232 in words is "eleven billion, twelve million, one hundred thirty-one thousand, two hundred thirty-two".