11596421115 has 12 divisors (see below), whose sum is σ = 20100463344. Its totient is φ = 6184757904.

The previous prime is 11596421113. The next prime is 11596421143. The reversal of 11596421115 is 51112469511.

It is a happy number.

11596421115 is a `hidden beast` number, since 1 + 1 + 5 + 9 + 642 + 1 + 1 + 1 + 5 = 666.

It is not a de Polignac number, because 11596421115 - 2¹ = 11596421113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11596421115.

It is not an unprimeable number, because it can be changed into a prime (11596421113) 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, 128849079 + ... + 128849168.

It is an arithmetic number, because the mean of its divisors is an integer number (1675038612).

Almost surely, 2^11596421115 is an apocalyptic number.

11596421115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11596421115 is a deficient number, since it is larger than the sum of its proper divisors (8504042229).

11596421115 is a wasteful number, since it uses less digits than its factorization.

11596421115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257698258 (or 257698255 counting only the distinct ones).

The product of its digits is 10800, while the sum is 36.

The spelling of 11596421115 in words is "eleven billion, five hundred ninety-six million, four hundred twenty-one thousand, one hundred fifteen".