1131286895040 has 448 divisors, whose sum is σ = 3701092082688. Its totient is φ = 292678041600.

The previous prime is 1131286895023. The next prime is 1131286895071. The reversal of 1131286895040 is 405986821311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1320054292 + ... + 1320055148.

It is an arithmetic number, because the mean of its divisors is an integer number (8261366256).

Almost surely, 2^{1131286895040} is an apocalyptic number.

1131286895040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1131286895040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1850546041344).

1131286895040 is an abundant number, since it is smaller than the sum of its proper divisors (2569805187648).

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

1131286895040 is a wasteful number, since it uses less digits than its factorization.

1131286895040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236 (or 1226 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 48.

The spelling of 1131286895040 in words is "one trillion, one hundred thirty-one billion, two hundred eighty-six million, eight hundred ninety-five thousand, forty".