7856045389151 has 4 divisors (see below), whose sum is σ = 7857239868192. Its totient is φ = 7854850910112.

The previous prime is 7856045389111. The next prime is 7856045389189. The reversal of 7856045389151 is 1519835406587.

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

It is a cyclic number.

It is not a de Polignac number, because 7856045389151 - 2¹⁰ = 7856045388127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7856045389111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 597229655 + ... + 597242808.

It is an arithmetic number, because the mean of its divisors is an integer number (1964309967048).

Almost surely, 2^{7856045389151} is an apocalyptic number.

7856045389151 is a deficient number, since it is larger than the sum of its proper divisors (1194479041).

7856045389151 is a wasteful number, since it uses less digits than its factorization.

7856045389151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194479040.

The product of its (nonzero) digits is 36288000, while the sum is 62.

The spelling of 7856045389151 in words is "seven trillion, eight hundred fifty-six billion, forty-five million, three hundred eighty-nine thousand, one hundred fifty-one".