11952457783 has 8 divisors (see below), whose sum is σ = 13731471360. Its totient is φ = 10191324120.

The previous prime is 11952457757. The next prime is 11952457787. The reversal of 11952457783 is 38775425911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11952457783 is a prime.

It is a super-2 number, since 2×11952457783² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11952457783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11952457787) 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, 4468543 + ... + 4471216.

It is an arithmetic number, because the mean of its divisors is an integer number (1716433920).

Almost surely, 2^11952457783 is an apocalyptic number.

11952457783 is a deficient number, since it is larger than the sum of its proper divisors (1779013577).

11952457783 is an equidigital number, since it uses as much as digits as its factorization.

11952457783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8939957.

The product of its digits is 2116800, while the sum is 52.

The spelling of 11952457783 in words is "eleven billion, nine hundred fifty-two million, four hundred fifty-seven thousand, seven hundred eighty-three".