11919106734 has 16 divisors (see below), whose sum is σ = 24607188480. Its totient is φ = 3844873080.

The previous prime is 11919106673. The next prime is 11919106739. The reversal of 11919106734 is 43760191911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11919106739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32040424 + ... + 32040795.

It is an arithmetic number, because the mean of its divisors is an integer number (1537949280).

Almost surely, 2^11919106734 is an apocalyptic number.

11919106734 is an abundant number, since it is smaller than the sum of its proper divisors (12688081746).

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

11919106734 is a wasteful number, since it uses less digits than its factorization.

11919106734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64081255.

The product of its (nonzero) digits is 40824, while the sum is 42.

The spelling of 11919106734 in words is "eleven billion, nine hundred nineteen million, one hundred six thousand, seven hundred thirty-four".