11534523445 has 8 divisors (see below), whose sum is σ = 13861998936. Its totient is φ = 9213904896.

The previous prime is 11534523389. The next prime is 11534523463. The reversal of 11534523445 is 54432543511.

It can be written as a sum of positive squares in 4 ways, for example, as 3224195524 + 8310327921 = 56782^2 + 91161^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11534523445 is a prime.

It is a super-2 number, since 2×11534523445² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1710532 + ... + 1717261.

It is an arithmetic number, because the mean of its divisors is an integer number (1732749867).

Almost surely, 2^11534523445 is an apocalyptic number.

It is an amenable number.

11534523445 is a deficient number, since it is larger than the sum of its proper divisors (2327475491).

11534523445 is an equidigital number, since it uses as much as digits as its factorization.

11534523445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3428471.

The product of its digits is 144000, while the sum is 37.

The spelling of 11534523445 in words is "eleven billion, five hundred thirty-four million, five hundred twenty-three thousand, four hundred forty-five".