11528153281 has 8 divisors (see below), whose sum is σ = 11574859904. Its totient is φ = 11481477840.

The previous prime is 11528153267. The next prime is 11528153291. The reversal of 11528153281 is 18235182511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11528153281 - 2¹¹ = 11528151233 is a prime.

It is a super-2 number, since 2×11528153281² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11528153281.

It is not an unprimeable number, because it can be changed into a prime (11528153261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 981415 + ... + 993091.

It is an arithmetic number, because the mean of its divisors is an integer number (1446857488).

Almost surely, 2^11528153281 is an apocalyptic number.

It is an amenable number.

11528153281 is a deficient number, since it is larger than the sum of its proper divisors (46706623).

11528153281 is a wasteful number, since it uses less digits than its factorization.

11528153281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15591.

The product of its digits is 19200, while the sum is 37.

The spelling of 11528153281 in words is "eleven billion, five hundred twenty-eight million, one hundred fifty-three thousand, two hundred eighty-one".