1131230454415 has 4 divisors (see below), whose sum is σ = 1357476545304. Its totient is φ = 904984363528.

The previous prime is 1131230454397. The next prime is 1131230454533. The reversal of 1131230454415 is 5144540321311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1131230454415 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113123045437 + ... + 113123045446.

It is an arithmetic number, because the mean of its divisors is an integer number (339369136326).

Almost surely, 2^{1131230454415} is an apocalyptic number.

1131230454415 is a deficient number, since it is larger than the sum of its proper divisors (226246090889).

1131230454415 is an equidigital number, since it uses as much as digits as its factorization.

1131230454415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226246090888.

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 1131230454415 its reverse (5144540321311), we get a palindrome (6275770775726).

The spelling of 1131230454415 in words is "one trillion, one hundred thirty-one billion, two hundred thirty million, four hundred fifty-four thousand, four hundred fifteen".