11045343451 has 4 divisors (see below), whose sum is σ = 11052915400. Its totient is φ = 11037771504.

The previous prime is 11045343443. The next prime is 11045343503. The reversal of 11045343451 is 15434354011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11045343451 - 2³ = 11045343443 is a prime.

It is a super-2 number, since 2×11045343451² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11045343251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3783786 + ... + 3786703.

It is an arithmetic number, because the mean of its divisors is an integer number (2763228850).

Almost surely, 2^11045343451 is an apocalyptic number.

11045343451 is a deficient number, since it is larger than the sum of its proper divisors (7571949).

11045343451 is an equidigital number, since it uses as much as digits as its factorization.

11045343451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7571948.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 11045343451 its reverse (15434354011), we get a palindrome (26479697462).

The spelling of 11045343451 in words is "eleven billion, forty-five million, three hundred forty-three thousand, four hundred fifty-one".