11433251640 has 32 divisors (see below), whose sum is σ = 34299755280. Its totient is φ = 3048867072.

The previous prime is 11433251617. The next prime is 11433251707. The reversal of 11433251640 is 4615233411.

11433251640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 11433251598 and 11433251607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47638429 + ... + 47638668.

Almost surely, 2^11433251640 is an apocalyptic number.

11433251640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11433251640 is an abundant number, since it is smaller than the sum of its proper divisors (22866503640).

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

11433251640 is a wasteful number, since it uses less digits than its factorization.

11433251640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95277111 (or 95277107 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 11433251640 in words is "eleven billion, four hundred thirty-three million, two hundred fifty-one thousand, six hundred forty".