1378860801120 has 384 divisors, whose sum is σ = 5270837806080. Its totient is φ = 333882224640.

The previous prime is 1378860801023. The next prime is 1378860801161. The reversal of 1378860801120 is 211080688731.

It is a happy number.

1378860801120 is a `hidden beast` number, since 1 + 3 + 7 + 8 + 8 + 608 + 0 + 11 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 42133884 + ... + 42166596.

It is an arithmetic number, because the mean of its divisors is an integer number (13726140120).

Almost surely, 2^{1378860801120} is an apocalyptic number.

1378860801120 is a gapful number since it is divisible by the number (10) 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 1378860801120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2635418903040).

1378860801120 is an abundant number, since it is smaller than the sum of its proper divisors (3891977004960).

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

1378860801120 is a wasteful number, since it uses less digits than its factorization.

1378860801120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33635 (or 33621 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The spelling of 1378860801120 in words is "one trillion, three hundred seventy-eight billion, eight hundred sixty million, eight hundred one thousand, one hundred twenty".