1361371025502 has 24 divisors (see below), whose sum is σ = 2999631075480. Its totient is φ = 446098979760.

The previous prime is 1361371025477. The next prime is 1361371025527. The reversal of 1361371025502 is 2055201731631.

1361371025502 is a `hidden beast` number, since 1 + 3 + 6 + 137 + 10 + 2 + 5 + 502 = 666.

It is an interprime number because it is at equal distance from previous prime (1361371025477) and next prime (1361371025527).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 640945749 + ... + 640947872.

It is an arithmetic number, because the mean of its divisors is an integer number (124984628145).

Almost surely, 2^{1361371025502} is an apocalyptic number.

1361371025502 is an abundant number, since it is smaller than the sum of its proper divisors (1638260049978).

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

1361371025502 is a wasteful number, since it uses less digits than its factorization.

1361371025502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281893688 (or 1281893685 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The spelling of 1361371025502 in words is "one trillion, three hundred sixty-one billion, three hundred seventy-one million, twenty-five thousand, five hundred two".