1100378340870 has 32 divisors (see below), whose sum is σ = 2640949537248. Its totient is φ = 293429611008.

The previous prime is 1100378340833. The next prime is 1100378340877. The reversal of 1100378340870 is 780438730011.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100378340877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1931982 + ... + 2435838.

It is an arithmetic number, because the mean of its divisors is an integer number (82529673039).

Almost surely, 2^{1100378340870} is an apocalyptic number.

1100378340870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1100378340870 is an abundant number, since it is smaller than the sum of its proper divisors (1540571196378).

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

1100378340870 is a wasteful number, since it uses less digits than its factorization.

1100378340870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576664.

The product of its (nonzero) digits is 112896, while the sum is 42.

The spelling of 1100378340870 in words is "one trillion, one hundred billion, three hundred seventy-eight million, three hundred forty thousand, eight hundred seventy".