11785956457 has 8 divisors (see below), whose sum is σ = 13130969472. Its totient is φ = 10486537200.

The previous prime is 11785956449. The next prime is 11785956499. The reversal of 11785956457 is 75465958711.

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

It is a cyclic number.

It is not a de Polignac number, because 11785956457 - 2³ = 11785956449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11785956437) 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, 11397894 + ... + 11398927.

It is an arithmetic number, because the mean of its divisors is an integer number (1641371184).

Almost surely, 2^11785956457 is an apocalyptic number.

It is an amenable number.

11785956457 is a deficient number, since it is larger than the sum of its proper divisors (1345013015).

11785956457 is a wasteful number, since it uses less digits than its factorization.

11785956457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22796879.

The product of its digits is 10584000, while the sum is 58.

The spelling of 11785956457 in words is "eleven billion, seven hundred eighty-five million, nine hundred fifty-six thousand, four hundred fifty-seven".