1361355562020 has 48 divisors (see below), whose sum is σ = 3812065443648. Its totient is φ = 363002448000.

The previous prime is 1361355562013. The next prime is 1361355562043. The reversal of 1361355562020 is 202655531631.

It is a self number, because there is not a number n which added to its sum of digits gives 1361355562020.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59002 + ... + 1651118.

It is an arithmetic number, because the mean of its divisors is an integer number (79418030076).

Almost surely, 2^{1361355562020} is an apocalyptic number.

1361355562020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1361355562020 is an abundant number, since it is smaller than the sum of its proper divisors (2450709881628).

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

1361355562020 is a wasteful number, since it uses less digits than its factorization.

1361355562020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1606380 (or 1606378 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 39.

The spelling of 1361355562020 in words is "one trillion, three hundred sixty-one billion, three hundred fifty-five million, five hundred sixty-two thousand, twenty".