1121145451535 has 4 divisors (see below), whose sum is σ = 1345374541848. Its totient is φ = 896916361224.

The previous prime is 1121145451519. The next prime is 1121145451549. The reversal of 1121145451535 is 5351545411211.

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 1121145451535 - 2⁴ = 1121145451519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112114545149 + ... + 112114545158.

It is an arithmetic number, because the mean of its divisors is an integer number (336343635462).

Almost surely, 2^{1121145451535} is an apocalyptic number.

1121145451535 is a deficient number, since it is larger than the sum of its proper divisors (224229090313).

1121145451535 is an equidigital number, since it uses as much as digits as its factorization.

1121145451535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224229090312.

The product of its digits is 60000, while the sum is 38.

The spelling of 1121145451535 in words is "one trillion, one hundred twenty-one billion, one hundred forty-five million, four hundred fifty-one thousand, five hundred thirty-five".