11506259135 has 16 divisors (see below), whose sum is σ = 16102056000. Its totient is φ = 7890005088.

The previous prime is 11506259131. The next prime is 11506259159. The reversal of 11506259135 is 53195260511.

It is a happy number.

It is not a de Polignac number, because 11506259135 - 2² = 11506259131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11506259131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3352880 + ... + 3356309.

It is an arithmetic number, because the mean of its divisors is an integer number (1006378500).

Almost surely, 2^11506259135 is an apocalyptic number.

11506259135 is a deficient number, since it is larger than the sum of its proper divisors (4595796865).

11506259135 is an frugal number, since it uses more digits than its factorization.

11506259135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6709215 (or 6709201 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 38.

The spelling of 11506259135 in words is "eleven billion, five hundred six million, two hundred fifty-nine thousand, one hundred thirty-five".