11300121461 has 4 divisors (see below), whose sum is σ = 11300505900. Its totient is φ = 11299737024.

The previous prime is 11300121431. The next prime is 11300121463. The reversal of 11300121461 is 16412100311.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5855157361 + 5444964100 = 76519^2 + 73790^2 .

It is a cyclic number.

It is not a de Polignac number, because 11300121461 - 2³⁰ = 10226379637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11300121463) 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, 144116 + ... + 208253.

It is an arithmetic number, because the mean of its divisors is an integer number (2825126475).

Almost surely, 2^11300121461 is an apocalyptic number.

It is an amenable number.

11300121461 is a deficient number, since it is larger than the sum of its proper divisors (384439).

11300121461 is an equidigital number, since it uses as much as digits as its factorization.

11300121461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384438.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 11300121461 its reverse (16412100311), we get a palindrome (27712221772).

The spelling of 11300121461 in words is "eleven billion, three hundred million, one hundred twenty-one thousand, four hundred sixty-one".