1361251015416 has 24 divisors (see below), whose sum is σ = 3686721500280. Its totient is φ = 453750338448.

The previous prime is 1361251015391. The next prime is 1361251015459. The reversal of 1361251015416 is 6145101521631.

1361251015416 is a `hidden beast` number, since 1 + 3 + 6 + 1 + 2 + 5 + 101 + 541 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 9453131980 + ... + 9453132123.

It is an arithmetic number, because the mean of its divisors is an integer number (153613395845).

Almost surely, 2^{1361251015416} is an apocalyptic number.

It is an amenable number.

1361251015416 is an abundant number, since it is smaller than the sum of its proper divisors (2325470484864).

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

1361251015416 is a wasteful number, since it uses less digits than its factorization.

1361251015416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18906264115 (or 18906264108 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The spelling of 1361251015416 in words is "one trillion, three hundred sixty-one billion, two hundred fifty-one million, fifteen thousand, four hundred sixteen".