11132531040 has 96 divisors (see below), whose sum is σ = 35490099456. Its totient is φ = 2932897280.

The previous prime is 11132531023. The next prime is 11132531041. The reversal of 11132531040 is 4013523111.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 11132530998 and 11132531016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11132531041) 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, 99876 + ... + 179555.

It is an arithmetic number, because the mean of its divisors is an integer number (369688536).

Almost surely, 2^11132531040 is an apocalyptic number.

11132531040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11132531040 is an abundant number, since it is smaller than the sum of its proper divisors (24357568416).

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

11132531040 is a wasteful number, since it uses less digits than its factorization.

11132531040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279532 (or 279524 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The spelling of 11132531040 in words is "eleven billion, one hundred thirty-two million, five hundred thirty-one thousand, forty".