11103451451 has 8 divisors (see below), whose sum is σ = 11764497024. Its totient is φ = 10443283840.

The previous prime is 11103451421. The next prime is 11103451459. The reversal of 11103451451 is 15415430111.

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-11103451451 is a prime.

It is a super-4 number, since 4×11103451451⁴ (a number of 41 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11103451451.

It is not an unprimeable number, because it can be changed into a prime (11103451459) 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, 193355 + ... + 244116.

It is an arithmetic number, because the mean of its divisors is an integer number (1470562128).

Almost surely, 2^11103451451 is an apocalyptic number.

11103451451 is a deficient number, since it is larger than the sum of its proper divisors (661045573).

11103451451 is a wasteful number, since it uses less digits than its factorization.

11103451451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438981.

The product of its (nonzero) digits is 1200, while the sum is 26.

Adding to 11103451451 its reverse (15415430111), we get a palindrome (26518881562).

The spelling of 11103451451 in words is "eleven billion, one hundred three million, four hundred fifty-one thousand, four hundred fifty-one".