511142152 has 16 divisors (see below), whose sum is σ = 959072940. Its totient is φ = 255389376.

The previous prime is 511142141. The next prime is 511142189. The reversal of 511142152 is 251241115.

It can be written as a sum of positive squares in 2 ways, for example, as 465092356 + 46049796 = 21566^2 + 6786^2 .

It is a super-2 number, since 2×511142152² = 522532599102382208, which contains 22 as substring.

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, 10363 + ... + 33610.

Almost surely, 2^511142152 is an apocalyptic number.

It is an amenable number.

511142152 is a deficient number, since it is larger than the sum of its proper divisors (447930788).

511142152 is a wasteful number, since it uses less digits than its factorization.

511142152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45432 (or 45428 counting only the distinct ones).

The product of its digits is 400, while the sum is 22.

The square root of 511142152 is about 22608.4531094014. The cubic root of 511142152 is about 799.5529544010.

Adding to 511142152 its reverse (251241115), we get a palindrome (762383267).

The spelling of 511142152 in words is "five hundred eleven million, one hundred forty-two thousand, one hundred fifty-two".