1361018557130 has 16 divisors (see below), whose sum is σ = 2471513346504. Its totient is φ = 539589657600.

The previous prime is 1361018557123. The next prime is 1361018557133. The reversal of 1361018557130 is 317558101631.

It is a Cunningham number, because it is equal to 1166627²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 489967800529 + 871050756601 = 699977^2 + 933301^2 .

It is a super-3 number, since 3×1361018557130³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1361018557133) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 602219471 + ... + 602221730.

Almost surely, 2^{1361018557130} is an apocalyptic number.

1361018557130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1361018557130 is a deficient number, since it is larger than the sum of its proper divisors (1110494789374).

1361018557130 is a wasteful number, since it uses less digits than its factorization.

1361018557130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204441321.

The product of its (nonzero) digits is 75600, while the sum is 41.

The spelling of 1361018557130 in words is "one trillion, three hundred sixty-one billion, eighteen million, five hundred fifty-seven thousand, one hundred thirty".