1361211717100 has 18 divisors (see below), whose sum is σ = 2953829426324. Its totient is φ = 544484686800.

The previous prime is 1361211717077. The next prime is 1361211717167. The reversal of 1361211717100 is 17171121631.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6806058486 + ... + 6806058685.

Almost surely, 2^{1361211717100} is an apocalyptic number.

1361211717100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1361211717100 is an abundant number, since it is smaller than the sum of its proper divisors (1592617709224).

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

1361211717100 is a wasteful number, since it uses less digits than its factorization.

1361211717100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13612117185 (or 13612117178 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 31.

Adding to 1361211717100 its reverse (17171121631), we get a palindrome (1378382838731).

The spelling of 1361211717100 in words is "one trillion, three hundred sixty-one billion, two hundred eleven million, seven hundred seventeen thousand, one hundred".