1377810810000 has 1000 divisors, whose sum is σ = 5286467588864. Its totient is φ = 345720960000.

The previous prime is 1377810809959. The next prime is 1377810810007. The reversal of 1377810810000 is 180187731.

It is a tau number, because it is divible by the number of its divisors (1000).

It is a super-2 number, since 2×1377810810000² (a number of 25 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (1377810810007) by changing a digit.

It is a polite number, since it can be written in 199 ways as a sum of consecutive naturals, for example, 929069259 + ... + 929070741.

Almost surely, 2^{1377810810000} is an apocalyptic number.

1377810810000 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 1377810810000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2643233794432).

1377810810000 is an abundant number, since it is smaller than the sum of its proper divisors (3908656778864).

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

1377810810000 is a wasteful number, since it uses less digits than its factorization.

1377810810000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591 (or 1561 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 36.

Adding to 1377810810000 its reverse (180187731), we get a palindrome (1377990997731).

The spelling of 1377810810000 in words is "one trillion, three hundred seventy-seven billion, eight hundred ten million, eight hundred ten thousand".