11601159258 has 32 divisors (see below), whose sum is σ = 25086704832. Its totient is φ = 3555360000.

The previous prime is 11601159257. The next prime is 11601159259. The reversal of 11601159258 is 85295110611.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11601159257) and next prime (11601159259).

It is a super-2 number, since 2×11601159258² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (11601159257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276703 + ... + 315858.

It is an arithmetic number, because the mean of its divisors is an integer number (783959526).

Almost surely, 2^11601159258 is an apocalyptic number.

11601159258 is an abundant number, since it is smaller than the sum of its proper divisors (13485545574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11601159258 is a wasteful number, since it uses less digits than its factorization.

11601159258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592830.

The product of its (nonzero) digits is 21600, while the sum is 39.

Adding to 11601159258 its reverse (85295110611), we get a palindrome (96896269869).

The spelling of 11601159258 in words is "eleven billion, six hundred one million, one hundred fifty-nine thousand, two hundred fifty-eight".