1365565061240 has 16 divisors (see below), whose sum is σ = 3072521387880. Its totient is φ = 546226024480.

The previous prime is 1365565061239. The next prime is 1365565061249. The reversal of 1365565061240 is 421605655631.

It is a junction number, because it is equal to n+sod(n) for n = 1365565061191 and 1365565061200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1365565061249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17069563226 + ... + 17069563305.

Almost surely, 2^{1365565061240} is an apocalyptic number.

1365565061240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1365565061240 is an abundant number, since it is smaller than the sum of its proper divisors (1706956326640).

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

1365565061240 is a wasteful number, since it uses less digits than its factorization.

1365565061240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34139126542 (or 34139126538 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 1365565061240 in words is "one trillion, three hundred sixty-five billion, five hundred sixty-five million, sixty-one thousand, two hundred forty".