1363137886551 has 16 divisors (see below), whose sum is σ = 2077935046400. Its totient is φ = 778646227968.

The previous prime is 1363137886549. The next prime is 1363137886553. The reversal of 1363137886551 is 1556887313631.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1363137886549) and next prime (1363137886553).

It is not a de Polignac number, because 1363137886551 - 2¹ = 1363137886549 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1363137886491 and 1363137886500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1363137886553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12013321 + ... + 12126258.

It is an arithmetic number, because the mean of its divisors is an integer number (129870940400).

Almost surely, 2^{1363137886551} is an apocalyptic number.

1363137886551 is a deficient number, since it is larger than the sum of its proper divisors (714797159849).

1363137886551 is a wasteful number, since it uses less digits than its factorization.

1363137886551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24142278.

The product of its digits is 10886400, while the sum is 57.

The spelling of 1363137886551 in words is "one trillion, three hundred sixty-three billion, one hundred thirty-seven million, eight hundred eighty-six thousand, five hundred fifty-one".