511315142 has 8 divisors (see below), whose sum is σ = 825970656. Its totient is φ = 235991592.

The previous prime is 511315127. The next prime is 511315159. The reversal of 511315142 is 241513115.

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

It is a super-2 number, since 2×511315142² = 522886348876960328, which contains 22 as substring.

It is a congruent 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, 9832958 + ... + 9833009.

It is an arithmetic number, because the mean of its divisors is an integer number (103246332).

Almost surely, 2^511315142 is an apocalyptic number.

511315142 is a deficient number, since it is larger than the sum of its proper divisors (314655514).

511315142 is a wasteful number, since it uses less digits than its factorization.

511315142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19665982.

The product of its digits is 600, while the sum is 23.

The square root of 511315142 is about 22612.2785671856. The cubic root of 511315142 is about 799.6431439659.

Adding to 511315142 its reverse (241513115), we get a palindrome (752828257).

The spelling of 511315142 in words is "five hundred eleven million, three hundred fifteen thousand, one hundred forty-two".