11829435957 has 6 divisors (see below), whose sum is σ = 17086963062. Its totient is φ = 7886290632.

The previous prime is 11829435953. The next prime is 11829435973. The reversal of 11829435957 is 75953492811.

It is a happy number.

11829435957 is a `hidden beast` number, since 1 + 1 + 8 + 2 + 9 + 43 + 595 + 7 = 666.

11829435957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9365207076 + 2464228881 = 96774^2 + 49641^2 .

It is not a de Polignac number, because 11829435957 - 2² = 11829435953 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11829435953) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 657190878 + ... + 657190895.

It is an arithmetic number, because the mean of its divisors is an integer number (2847827177).

Almost surely, 2^11829435957 is an apocalyptic number.

It is an amenable number.

11829435957 is a deficient number, since it is larger than the sum of its proper divisors (5257527105).

11829435957 is a wasteful number, since it uses less digits than its factorization.

11829435957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314381779 (or 1314381776 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 54.

The spelling of 11829435957 in words is "eleven billion, eight hundred twenty-nine million, four hundred thirty-five thousand, nine hundred fifty-seven".