1361250050220 has 72 divisors (see below), whose sum is σ = 4129221196464. Its totient is φ = 362991570048.

The previous prime is 1361250050213. The next prime is 1361250050221. The reversal of 1361250050220 is 220500521631.

It is a happy number.

1361250050220 is a `hidden beast` number, since 1 + 36 + 125 + 0 + 0 + 502 + 2 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (1361250050221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13412907 + ... + 13514013.

Almost surely, 2^{1361250050220} is an apocalyptic number.

1361250050220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1361250050220 is an abundant number, since it is smaller than the sum of its proper divisors (2767971146244).

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

1361250050220 is a wasteful number, since it uses less digits than its factorization.

1361250050220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175919 (or 175914 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 1361250050220 its reverse (220500521631), we get a palindrome (1581750571851).

The spelling of 1361250050220 in words is "one trillion, three hundred sixty-one billion, two hundred fifty million, fifty thousand, two hundred twenty".