1131354123400 has 48 divisors (see below), whose sum is σ = 2643616512000. Its totient is φ = 450267554880.

The previous prime is 1131354123349. The next prime is 1131354123433. The reversal of 1131354123400 is 43214531311.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14173192 + ... + 14252791.

It is an arithmetic number, because the mean of its divisors is an integer number (55075344000).

Almost surely, 2^{1131354123400} is an apocalyptic number.

1131354123400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131354123400 is an abundant number, since it is smaller than the sum of its proper divisors (1512262388600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1131354123400 is a wasteful number, since it uses less digits than its factorization.

1131354123400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28426198 (or 28426189 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 1131354123400 its reverse (43214531311), we get a palindrome (1174568654711).

The spelling of 1131354123400 in words is "one trillion, one hundred thirty-one billion, three hundred fifty-four million, one hundred twenty-three thousand, four hundred".