1121351311245 has 32 divisors (see below), whose sum is σ = 1986480714240. Its totient is φ = 535570770240.

The previous prime is 1121351311237. The next prime is 1121351311271. The reversal of 1121351311245 is 5421131531211.

It is not a de Polignac number, because 1121351311245 - 2³ = 1121351311237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50705875 + ... + 50727984.

It is an arithmetic number, because the mean of its divisors is an integer number (62077522320).

Almost surely, 2^{1121351311245} is an apocalyptic number.

1121351311245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1121351311245 is a deficient number, since it is larger than the sum of its proper divisors (865129402995).

1121351311245 is a wasteful number, since it uses less digits than its factorization.

1121351311245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101433945.

The product of its digits is 3600, while the sum is 30.

Adding to 1121351311245 its reverse (5421131531211), we get a palindrome (6542482842456).

The spelling of 1121351311245 in words is "one trillion, one hundred twenty-one billion, three hundred fifty-one million, three hundred eleven thousand, two hundred forty-five".