1278017364096 has 768 divisors, whose sum is σ = 4377802464000. Its totient is φ = 366032240640.

The previous prime is 1278017364083. The next prime is 1278017364101. The reversal of 1278017364096 is 6904637108721.

1278017364096 is a `hidden beast` number, since 1 + 278 + 0 + 1 + 7 + 364 + 0 + 9 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 856005526 + ... + 856007018.

It is an arithmetic number, because the mean of its divisors is an integer number (5700263625).

Almost surely, 2^{1278017364096} is an apocalyptic number.

1278017364096 is a gapful number since it is divisible by the number (16) 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 1278017364096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2188901232000).

1278017364096 is an abundant number, since it is smaller than the sum of its proper divisors (3099785099904).

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

1278017364096 is a wasteful number, since it uses less digits than its factorization.

1278017364096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650 (or 1621 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 1278017364096 in words is "one trillion, two hundred seventy-eight billion, seventeen million, three hundred sixty-four thousand, ninety-six".