1135661545240 has 32 divisors (see below), whose sum is σ = 2563454705760. Its totient is φ = 452803955200.

The previous prime is 1135661545217. The next prime is 1135661545243. The reversal of 1135661545240 is 425451665311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1135661545243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45633121 + ... + 45658000.

It is an arithmetic number, because the mean of its divisors is an integer number (80107959555).

Almost surely, 2^{1135661545240} is an apocalyptic number.

1135661545240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1135661545240 is an abundant number, since it is smaller than the sum of its proper divisors (1427793160520).

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

1135661545240 is a wasteful number, since it uses less digits than its factorization.

1135661545240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91291443 (or 91291439 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 43.

The spelling of 1135661545240 in words is "one trillion, one hundred thirty-five billion, six hundred sixty-one million, five hundred forty-five thousand, two hundred forty".