512116157155 has 4 divisors (see below), whose sum is σ = 614539388592. Its totient is φ = 409692925720.

The previous prime is 512116157141. The next prime is 512116157167. The reversal of 512116157155 is 551751611215.

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

It is not a de Polignac number, because 512116157155 - 2⁵ = 512116157123 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51211615711 + ... + 51211615720.

It is an arithmetic number, because the mean of its divisors is an integer number (153634847148).

Almost surely, 2^512116157155 is an apocalyptic number.

512116157155 is a deficient number, since it is larger than the sum of its proper divisors (102423231437).

512116157155 is a wasteful number, since it uses less digits than its factorization.

512116157155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102423231436.

The product of its digits is 52500, while the sum is 40.

The spelling of 512116157155 in words is "five hundred twelve billion, one hundred sixteen million, one hundred fifty-seven thousand, one hundred fifty-five".