516042120291 has 8 divisors (see below), whose sum is σ = 688919471184. Its totient is φ = 343596424800.

The previous prime is 516042120281. The next prime is 516042120299. The reversal of 516042120291 is 192021240615.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 516042120291 - 2⁷ = 516042120163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (516042120299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107911060 + ... + 107915841.

It is an arithmetic number, because the mean of its divisors is an integer number (86114933898).

Almost surely, 2^516042120291 is an apocalyptic number.

516042120291 is a deficient number, since it is larger than the sum of its proper divisors (172877350893).

516042120291 is a wasteful number, since it uses less digits than its factorization.

516042120291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215827701.

The product of its (nonzero) digits is 8640, while the sum is 33.

The spelling of 516042120291 in words is "five hundred sixteen billion, forty-two million, one hundred twenty thousand, two hundred ninety-one".