11206404451 has 8 divisors (see below), whose sum is σ = 12509475264. Its totient is φ = 9950718120.

The previous prime is 11206404413. The next prime is 11206404457. The reversal of 11206404451 is 15440460211.

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

It is a cyclic number.

It is not a de Polignac number, because 11206404451 - 2¹³ = 11206396259 is a prime.

It is a super-2 number, since 2×11206404451² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11206404457) 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, 11845621 + ... + 11846566.

It is an arithmetic number, because the mean of its divisors is an integer number (1563684408).

Almost surely, 2^11206404451 is an apocalyptic number.

11206404451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11206404451 is a deficient number, since it is larger than the sum of its proper divisors (1303070813).

11206404451 is a wasteful number, since it uses less digits than its factorization.

11206404451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23692241.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 11206404451 its reverse (15440460211), we get a palindrome (26646864662).

The spelling of 11206404451 in words is "eleven billion, two hundred six million, four hundred four thousand, four hundred fifty-one".