1131260007600 has 720 divisors, whose sum is σ = 4357094044800. Its totient is φ = 277998842880.

The previous prime is 1131260007571. The next prime is 1131260007611. The reversal of 1131260007600 is 67000621311.

1131260007600 is a `hidden beast` number, since 1 + 1 + 31 + 26 + 0 + 0 + 0 + 7 + 600 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 280916787 + ... + 280920813.

Almost surely, 2^{1131260007600} is an apocalyptic number.

1131260007600 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 1131260007600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2178547022400).

1131260007600 is an abundant number, since it is smaller than the sum of its proper divisors (3225834037200).

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

1131260007600 is a wasteful number, since it uses less digits than its factorization.

1131260007600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4147 (or 4093 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

Adding to 1131260007600 its reverse (67000621311), we get a palindrome (1198260628911).

The spelling of 1131260007600 in words is "one trillion, one hundred thirty-one billion, two hundred sixty million, seven thousand, six hundred".