1361206057722 has 64 divisors (see below), whose sum is σ = 3124999139328. Its totient is φ = 387209160000.

The previous prime is 1361206057721. The next prime is 1361206057723. The reversal of 1361206057722 is 2277506021631.

It is an interprime number because it is at equal distance from previous prime (1361206057721) and next prime (1361206057723).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (1361206057721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16474072 + ... + 16556492.

It is an arithmetic number, because the mean of its divisors is an integer number (48828111552).

Almost surely, 2^{1361206057722} is an apocalyptic number.

1361206057722 is an abundant number, since it is smaller than the sum of its proper divisors (1763793081606).

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

1361206057722 is a wasteful number, since it uses less digits than its factorization.

1361206057722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84155.

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 1361206057722 in words is "one trillion, three hundred sixty-one billion, two hundred six million, fifty-seven thousand, seven hundred twenty-two".