1121361233505 has 32 divisors (see below), whose sum is σ = 1842754368000. Its totient is φ = 581868686592.

The previous prime is 1121361233479. The next prime is 1121361233537. The reversal of 1121361233505 is 5053321631211.

It is not a de Polignac number, because 1121361233505 - 2⁶ = 1121361233441 is a prime.

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, 18928671 + ... + 18987819.

It is an arithmetic number, because the mean of its divisors is an integer number (57586074000).

Almost surely, 2^{1121361233505} is an apocalyptic number.

1121361233505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1121361233505 is a deficient number, since it is larger than the sum of its proper divisors (721393134495).

1121361233505 is a wasteful number, since it uses less digits than its factorization.

1121361233505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93353.

The product of its (nonzero) digits is 16200, while the sum is 33.

Adding to 1121361233505 its reverse (5053321631211), we get a palindrome (6174682864716).

The spelling of 1121361233505 in words is "one trillion, one hundred twenty-one billion, three hundred sixty-one million, two hundred thirty-three thousand, five hundred five".