1131204400005 has 16 divisors (see below), whose sum is σ = 1834720562880. Its totient is φ = 595044505728.

The previous prime is 1131204399973. The next prime is 1131204400021. The reversal of 1131204400005 is 5000044021311.

It is not a de Polignac number, because 1131204400005 - 2⁵ = 1131204399973 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 516530595 + ... + 516532784.

It is an arithmetic number, because the mean of its divisors is an integer number (114670035180).

Almost surely, 2^{1131204400005} is an apocalyptic number.

1131204400005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1131204400005 is a deficient number, since it is larger than the sum of its proper divisors (703516162875).

1131204400005 is a wasteful number, since it uses less digits than its factorization.

1131204400005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033063460.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 1131204400005 its reverse (5000044021311), we get a palindrome (6131248421316).

The spelling of 1131204400005 in words is "one trillion, one hundred thirty-one billion, two hundred four million, four hundred thousand, five".