11111300451 has 6 divisors (see below), whose sum is σ = 16049656220. Its totient is φ = 7407533628.

The previous prime is 11111300449. The next prime is 11111300507. The reversal of 11111300451 is 15400311111.

It is not a de Polignac number, because 11111300451 - 2¹ = 11111300449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11111300051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 617294461 + ... + 617294478.

Almost surely, 2^11111300451 is an apocalyptic number.

11111300451 is a deficient number, since it is larger than the sum of its proper divisors (4938355769).

11111300451 is a wasteful number, since it uses less digits than its factorization.

11111300451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234588945 (or 1234588942 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 18.

Adding to 11111300451 its reverse (15400311111), we get a palindrome (26511611562).

The spelling of 11111300451 in words is "eleven billion, one hundred eleven million, three hundred thousand, four hundred fifty-one".