1121032513245 has 8 divisors (see below), whose sum is σ = 1793652021216. Its totient is φ = 597884007056.

The previous prime is 1121032513193. The next prime is 1121032513253. The reversal of 1121032513245 is 5423152301211.

It is a happy number.

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 1121032513245 - 2²⁰ = 1121031464669 is a prime.

It is a super-2 number, since 2×1121032513245² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37367750427 + ... + 37367750456.

It is an arithmetic number, because the mean of its divisors is an integer number (224206502652).

Almost surely, 2^{1121032513245} is an apocalyptic number.

1121032513245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1121032513245 is a deficient number, since it is larger than the sum of its proper divisors (672619507971).

1121032513245 is an equidigital number, since it uses as much as digits as its factorization.

1121032513245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74735500891.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 1121032513245 its reverse (5423152301211), we get a palindrome (6544184814456).

The spelling of 1121032513245 in words is "one trillion, one hundred twenty-one billion, thirty-two million, five hundred thirteen thousand, two hundred forty-five".