1376789911980 has 192 divisors, whose sum is σ = 4418354304000. Its totient is φ = 313794118656.

The previous prime is 1376789911979. The next prime is 1376789912053. The reversal of 1376789911980 is 891199876731.

It is a super-2 number, since 2×1376789911980² (a number of 25 digits) contains 22 as substring.

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, 343080454 + ... + 343084466.

It is an arithmetic number, because the mean of its divisors is an integer number (23012262000).

Almost surely, 2^{1376789911980} is an apocalyptic number.

1376789911980 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 1376789911980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2209177152000).

1376789911980 is an abundant number, since it is smaller than the sum of its proper divisors (3041564392020).

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

1376789911980 is a wasteful number, since it uses less digits than its factorization.

1376789911980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6168 (or 6166 counting only the distinct ones).

The product of its (nonzero) digits is 41150592, while the sum is 69.

The spelling of 1376789911980 in words is "one trillion, three hundred seventy-six billion, seven hundred eighty-nine million, nine hundred eleven thousand, nine hundred eighty".