538857123151 has 4 divisors (see below), whose sum is σ = 538999193152. Its totient is φ = 538715053152.

The previous prime is 538857123121. The next prime is 538857123173. The reversal of 538857123151 is 151321758835.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-538857123151 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 538857123095 and 538857123104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538857123121) 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, 71029311 + ... + 71036896.

It is an arithmetic number, because the mean of its divisors is an integer number (134749798288).

Almost surely, 2^538857123151 is an apocalyptic number.

538857123151 is a deficient number, since it is larger than the sum of its proper divisors (142070001).

538857123151 is a wasteful number, since it uses less digits than its factorization.

538857123151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142070000.

The product of its digits is 1008000, while the sum is 49.

The spelling of 538857123151 in words is "five hundred thirty-eight billion, eight hundred fifty-seven million, one hundred twenty-three thousand, one hundred fifty-one".