1918382911010 has 32 divisors (see below), whose sum is σ = 3647374106112. Its totient is φ = 725330067840.

The previous prime is 1918382911009. The next prime is 1918382911031. The reversal of 1918382911010 is 101192838191.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71944019 + ... + 71970678.

It is an arithmetic number, because the mean of its divisors is an integer number (113980440816).

Almost surely, 2^{1918382911010} is an apocalyptic number.

1918382911010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1918382911010 is a deficient number, since it is larger than the sum of its proper divisors (1728991195102).

1918382911010 is a wasteful number, since it uses less digits than its factorization.

1918382911010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143914778.

The product of its (nonzero) digits is 31104, while the sum is 44.

The spelling of 1918382911010 in words is "one trillion, nine hundred eighteen billion, three hundred eighty-two million, nine hundred eleven thousand, ten".