1361211722760 has 32 divisors (see below), whose sum is σ = 4083635168640. Its totient is φ = 362989792704.

The previous prime is 1361211722737. The next prime is 1361211722779. The reversal of 1361211722760 is 672271121631.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5671715392 + ... + 5671715631.

It is an arithmetic number, because the mean of its divisors is an integer number (127613599020).

Almost surely, 2^{1361211722760} is an apocalyptic number.

1361211722760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1361211722760 is an abundant number, since it is smaller than the sum of its proper divisors (2722423445880).

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

1361211722760 is a wasteful number, since it uses less digits than its factorization.

1361211722760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11343431037 (or 11343431033 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 39.

The spelling of 1361211722760 in words is "one trillion, three hundred sixty-one billion, two hundred eleven million, seven hundred twenty-two thousand, seven hundred sixty".