1351187793792 has 96 divisors (see below), whose sum is σ = 3890228851080. Its totient is φ = 450159019008.

The previous prime is 1351187793743. The next prime is 1351187793803. The reversal of 1351187793792 is 2973977811531.

1351187793792 is a `hidden beast` number, since 1 + 3 + 511 + 87 + 7 + 9 + 37 + 9 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1889338 + ... + 2504390.

Almost surely, 2^{1351187793792} is an apocalyptic number.

1351187793792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1351187793792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1945114425540).

1351187793792 is an abundant number, since it is smaller than the sum of its proper divisors (2539041057288).

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

1351187793792 is a wasteful number, since it uses less digits than its factorization.

1351187793792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616980 (or 616965 counting only the distinct ones).

The product of its digits is 20003760, while the sum is 63.

The spelling of 1351187793792 in words is "one trillion, three hundred fifty-one billion, one hundred eighty-seven million, seven hundred ninety-three thousand, seven hundred ninety-two".