11784011734 has 16 divisors (see below), whose sum is σ = 19305941760. Its totient is φ = 5349976360.

The previous prime is 11784011719. The next prime is 11784011753. The reversal of 11784011734 is 43711048711.

It is a junction number, because it is equal to n+sod(n) for n = 11784011693 and 11784011702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300754 + ... + 337669.

It is an arithmetic number, because the mean of its divisors is an integer number (1206621360).

Almost surely, 2^11784011734 is an apocalyptic number.

11784011734 is a deficient number, since it is larger than the sum of its proper divisors (7521930026).

11784011734 is a wasteful number, since it uses less digits than its factorization.

11784011734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639275.

The product of its (nonzero) digits is 18816, while the sum is 37.

The spelling of 11784011734 in words is "eleven billion, seven hundred eighty-four million, eleven thousand, seven hundred thirty-four".