7849542150011 has 4 divisors (see below), whose sum is σ = 8262675947400. Its totient is φ = 7436408352624.

The previous prime is 7849542149957. The next prime is 7849542150013. The reversal of 7849542150011 is 1100512459487.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-7849542150011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7849542150013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206566898666 + ... + 206566898703.

It is an arithmetic number, because the mean of its divisors is an integer number (2065668986850).

Almost surely, 2^{7849542150011} is an apocalyptic number.

7849542150011 is a deficient number, since it is larger than the sum of its proper divisors (413133797389).

7849542150011 is a wasteful number, since it uses less digits than its factorization.

7849542150011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413133797388.

The product of its (nonzero) digits is 403200, while the sum is 47.

The spelling of 7849542150011 in words is "seven trillion, eight hundred forty-nine billion, five hundred forty-two million, one hundred fifty thousand, eleven".