1348187635881 has 12 divisors (see below), whose sum is σ = 2019507405552. Its totient is φ = 898791757092.

The previous prime is 1348187635877. The next prime is 1348187635891. The reversal of 1348187635881 is 1885367818431.

1348187635881 is a `hidden beast` number, since 1 + 3 + 48 + 1 + 8 + 7 + 6 + 3 + 588 + 1 = 666.

It is not a de Polignac number, because 1348187635881 - 2² = 1348187635877 is a prime.

It is a super-2 number, since 2×1348187635881² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1348187635801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2774048391 + ... + 2774048876.

It is an arithmetic number, because the mean of its divisors is an integer number (168292283796).

Almost surely, 2^{1348187635881} is an apocalyptic number.

It is an amenable number.

1348187635881 is a deficient number, since it is larger than the sum of its proper divisors (671319769671).

1348187635881 is an frugal number, since it uses more digits than its factorization.

1348187635881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5548097282 (or 5548097270 counting only the distinct ones).

The product of its digits is 30965760, while the sum is 63.

The spelling of 1348187635881 in words is "one trillion, three hundred forty-eight billion, one hundred eighty-seven million, six hundred thirty-five thousand, eight hundred eighty-one".