11597885847 has 12 divisors (see below), whose sum is σ = 16780383984. Its totient is φ = 7719055200.

The previous prime is 11597885807. The next prime is 11597885851. The reversal of 11597885847 is 74858879511.

It is not a de Polignac number, because 11597885847 - 2⁸ = 11597885591 is a prime.

It is a super-2 number, since 2×11597885847² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11597885807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1066683 + ... + 1077500.

It is an arithmetic number, because the mean of its divisors is an integer number (1398365332).

Almost surely, 2^11597885847 is an apocalyptic number.

11597885847 is a deficient number, since it is larger than the sum of its proper divisors (5182498137).

11597885847 is a wasteful number, since it uses less digits than its factorization.

11597885847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2144790 (or 2144787 counting only the distinct ones).

The product of its digits is 22579200, while the sum is 63.

The spelling of 11597885847 in words is "eleven billion, five hundred ninety-seven million, eight hundred eighty-five thousand, eight hundred forty-seven".