11213534451 has 8 divisors (see below), whose sum is σ = 17087290624. Its totient is φ = 6407733960.

The previous prime is 11213534411. The next prime is 11213534459. The reversal of 11213534451 is 15443531211.

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

It is not a de Polignac number, because 11213534451 - 2¹¹ = 11213532403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11213534459) 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, 266988895 + ... + 266988936.

It is an arithmetic number, because the mean of its divisors is an integer number (2135911328).

Almost surely, 2^11213534451 is an apocalyptic number.

11213534451 is a deficient number, since it is larger than the sum of its proper divisors (5873756173).

11213534451 is an equidigital number, since it uses as much as digits as its factorization.

11213534451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533977841.

The product of its digits is 7200, while the sum is 30.

The spelling of 11213534451 in words is "eleven billion, two hundred thirteen million, five hundred thirty-four thousand, four hundred fifty-one".