511071102 has 96 divisors (see below), whose sum is σ = 1204362432. Its totient is φ = 156045312.

The previous prime is 511071097. The next prime is 511071131. The reversal of 511071102 is 201170115.

It is a happy number.

It is a super-2 number, since 2×511071102² = 522387342598988808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3060223 + ... + 3060389.

It is an arithmetic number, because the mean of its divisors is an integer number (12545442).

Almost surely, 2^511071102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 511071102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (602181216).

511071102 is an abundant number, since it is smaller than the sum of its proper divisors (693291330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

511071102 is a wasteful number, since it uses less digits than its factorization.

511071102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402 (or 399 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 18.

The square root of 511071102 is about 22606.8817398597. The cubic root of 511071102 is about 799.5159060838.

The spelling of 511071102 in words is "five hundred eleven million, seventy-one thousand, one hundred two".