911142849792 has 144 divisors (see below), whose sum is σ = 2860793126912. Its totient is φ = 251928852480.

The previous prime is 911142849739. The next prime is 911142849797. The reversal of 911142849792 is 297948241119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (911142849797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2566948 + ... + 2900259.

Almost surely, 2^911142849792 is an apocalyptic number.

It is an amenable number.

911142849792 is an abundant number, since it is smaller than the sum of its proper divisors (1949650277120).

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

911142849792 is a wasteful number, since it uses less digits than its factorization.

911142849792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5467264 (or 5467250 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 57.

The spelling of 911142849792 in words is "nine hundred eleven billion, one hundred forty-two million, eight hundred forty-nine thousand, seven hundred ninety-two".