11311132032 has 64 divisors (see below), whose sum is σ = 33383559600. Its totient is φ = 3770376192.

The previous prime is 11311132031. The next prime is 11311132033. The reversal of 11311132032 is 23023111311.

11311132032 is a `hidden beast` number, since 1 + 1 + 311 + 1 + 320 + 32 = 666.

It is an interprime number because it is at equal distance from previous prime (11311132031) and next prime (11311132033).

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11311131996 and 11311132014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11311132031) 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, 1632993 + ... + 1639904.

Almost surely, 2^11311132032 is an apocalyptic number.

11311132032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11311132032 is an abundant number, since it is smaller than the sum of its proper divisors (22072427568).

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

11311132032 is an equidigital number, since it uses as much as digits as its factorization.

11311132032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3272920 (or 3272902 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 11311132032 its reverse (23023111311), we get a palindrome (34334243343).

The spelling of 11311132032 in words is "eleven billion, three hundred eleven million, one hundred thirty-two thousand, thirty-two".