1361613601488 has 80 divisors (see below), whose sum is σ = 4020251258880. Its totient is φ = 389008341888.

The previous prime is 1361613601477. The next prime is 1361613601501. The reversal of 1361613601488 is 8841063161631.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5704933 + ... + 5938811.

It is an arithmetic number, because the mean of its divisors is an integer number (50253140736).

Almost surely, 2^{1361613601488} is an apocalyptic number.

It is an amenable number.

1361613601488 is an abundant number, since it is smaller than the sum of its proper divisors (2658637657392).

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

1361613601488 is a wasteful number, since it uses less digits than its factorization.

1361613601488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251224 (or 251218 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 48.

The spelling of 1361613601488 in words is "one trillion, three hundred sixty-one billion, six hundred thirteen million, six hundred one thousand, four hundred eighty-eight".