511113542104 has 16 divisors (see below), whose sum is σ = 1045459518120. Its totient is φ = 232324337280.

The previous prime is 511113542099. The next prime is 511113542113. The reversal of 511113542104 is 401245311115.

It is a happy number.

It is a super-2 number, since 2×511113542104² (a number of 24 digits) 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, 2904054129 + ... + 2904054304.

Almost surely, 2^511113542104 is an apocalyptic number.

It is an amenable number.

511113542104 is an abundant number, since it is smaller than the sum of its proper divisors (534345976016).

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

511113542104 is a wasteful number, since it uses less digits than its factorization.

511113542104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5808108450 (or 5808108446 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 28.

Adding to 511113542104 its reverse (401245311115), we get a palindrome (912358853219).

The spelling of 511113542104 in words is "five hundred eleven billion, one hundred thirteen million, five hundred forty-two thousand, one hundred four".