11353431534 has 32 divisors (see below), whose sum is σ = 24047781120. Its totient is φ = 3565902912.

The previous prime is 11353431491. The next prime is 11353431541. The reversal of 11353431534 is 43513435311.

It is a junction number, because it is equal to n+sod(n) for n = 11353431495 and 11353431504.

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, 604719 + ... + 623210.

It is an arithmetic number, because the mean of its divisors is an integer number (751493160).

Almost surely, 2^11353431534 is an apocalyptic number.

11353431534 is an abundant number, since it is smaller than the sum of its proper divisors (12694349586).

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

11353431534 is a wasteful number, since it uses less digits than its factorization.

11353431534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228024.

The product of its digits is 32400, while the sum is 33.

Adding to 11353431534 its reverse (43513435311), we get a palindrome (54866866845).

The spelling of 11353431534 in words is "eleven billion, three hundred fifty-three million, four hundred thirty-one thousand, five hundred thirty-four".