11533011451 has 16 divisors (see below), whose sum is σ = 12606209280. Its totient is φ = 10486657440.

The previous prime is 11533011449. The next prime is 11533011487. The reversal of 11533011451 is 15411033511.

It is a cyclic number.

It is not a de Polignac number, because 11533011451 - 2¹ = 11533011449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11533011431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1179340 + ... + 1189078.

It is an arithmetic number, because the mean of its divisors is an integer number (787888080).

Almost surely, 2^11533011451 is an apocalyptic number.

11533011451 is a deficient number, since it is larger than the sum of its proper divisors (1073197829).

11533011451 is a wasteful number, since it uses less digits than its factorization.

11533011451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11106.

The product of its (nonzero) digits is 900, while the sum is 25.

Adding to 11533011451 its reverse (15411033511), we get a palindrome (26944044962).

The spelling of 11533011451 in words is "eleven billion, five hundred thirty-three million, eleven thousand, four hundred fifty-one".