11533125040 has 40 divisors (see below), whose sum is σ = 28391843520. Its totient is φ = 4341881856.

The previous prime is 11533125031. The next prime is 11533125089. The reversal of 11533125040 is 4052133511.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 11533124996 and 11533125014.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4238760 + ... + 4241479.

It is an arithmetic number, because the mean of its divisors is an integer number (709796088).

Almost surely, 2^11533125040 is an apocalyptic number.

11533125040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11533125040 is an abundant number, since it is smaller than the sum of its proper divisors (16858718480).

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

11533125040 is a wasteful number, since it uses less digits than its factorization.

11533125040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8480269 (or 8480263 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 11533125040 its reverse (4052133511), we get a palindrome (15585258551).

The spelling of 11533125040 in words is "eleven billion, five hundred thirty-three million, one hundred twenty-five thousand, forty".