7857151141 has 16 divisors (see below), whose sum is σ = 9407397888. Its totient is φ = 6416190000.

The previous prime is 7857151129. The next prime is 7857151151. The reversal of 7857151141 is 1411517587.

It is a cyclic number.

It is not a de Polignac number, because 7857151141 - 2⁷ = 7857151013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7857151094 and 7857151103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7857151151) 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, 56805 + ... + 137626.

It is an arithmetic number, because the mean of its divisors is an integer number (587962368).

Almost surely, 2^7857151141 is an apocalyptic number.

It is an amenable number.

7857151141 is a deficient number, since it is larger than the sum of its proper divisors (1550246747).

7857151141 is a wasteful number, since it uses less digits than its factorization.

7857151141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194712.

The product of its digits is 39200, while the sum is 40.

The square root of 7857151141 is about 88640.5727700357. The cubic root of 7857151141 is about 1988.0243636079.

The spelling of 7857151141 in words is "seven billion, eight hundred fifty-seven million, one hundred fifty-one thousand, one hundred forty-one".