11834140989 has 16 divisors (see below), whose sum is σ = 17216686080. Its totient is φ = 7170794160.

The previous prime is 11834140957. The next prime is 11834140993. The reversal of 11834140989 is 98904143811.

It is not a de Polignac number, because 11834140989 - 2⁵ = 11834140957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11834140919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149172 + ... + 214290.

It is an arithmetic number, because the mean of its divisors is an integer number (1076042880).

Almost surely, 2^11834140989 is an apocalyptic number.

It is an amenable number.

11834140989 is a deficient number, since it is larger than the sum of its proper divisors (5382545091).

11834140989 is a wasteful number, since it uses less digits than its factorization.

11834140989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70640.

The product of its (nonzero) digits is 248832, while the sum is 48.

It can be divided in two parts, 118341 and 40989, that added together give a triangular number (159330 = T₅₆₄).

The spelling of 11834140989 in words is "eleven billion, eight hundred thirty-four million, one hundred forty thousand, nine hundred eighty-nine".