512542155150131 has 4 divisors (see below), whose sum is σ = 542691693688392. Its totient is φ = 482392616611872.

The previous prime is 512542155150083. The next prime is 512542155150133. The reversal of 512542155150131 is 131051551245215.

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 512542155150131 - 2³⁴ = 512524975280947 is a prime.

It is a super-2 number, since 2×512542155150131² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (512542155150133) 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, 15074769269105 + ... + 15074769269138.

It is an arithmetic number, because the mean of its divisors is an integer number (135672923422098).

Almost surely, 2^{512542155150131} is an apocalyptic number.

512542155150131 is a deficient number, since it is larger than the sum of its proper divisors (30149538538261).

512542155150131 is a wasteful number, since it uses less digits than its factorization.

512542155150131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30149538538260.

The product of its (nonzero) digits is 150000, while the sum is 41.

The spelling of 512542155150131 in words is "five hundred twelve trillion, five hundred forty-two billion, one hundred fifty-five million, one hundred fifty thousand, one hundred thirty-one".