11452021135 has 16 divisors (see below), whose sum is σ = 13849617600. Its totient is φ = 9090385920.

The previous prime is 11452021093. The next prime is 11452021153. The reversal of 11452021135 is 53112025411.

It is not a de Polignac number, because 11452021135 - 2¹¹ = 11452019087 is a prime.

It is a super-2 number, since 2×11452021135² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 392254 + ... + 420436.

It is an arithmetic number, because the mean of its divisors is an integer number (865601100).

Almost surely, 2^11452021135 is an apocalyptic number.

11452021135 is a deficient number, since it is larger than the sum of its proper divisors (2397596465).

11452021135 is a wasteful number, since it uses less digits than its factorization.

11452021135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28818.

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 11452021135 its reverse (53112025411), we get a palindrome (64564046546).

The spelling of 11452021135 in words is "eleven billion, four hundred fifty-two million, twenty-one thousand, one hundred thirty-five".