511113151052 has 24 divisors (see below), whose sum is σ = 1022245168896. Its totient is φ = 219044450448.

The previous prime is 511113151001. The next prime is 511113151063. The reversal of 511113151052 is 250151311115.

It is a happy number.

It is a super-2 number, since 2×511113151052² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1765073 + ... + 2034135.

It is an arithmetic number, because the mean of its divisors is an integer number (42593548704).

Almost surely, 2^511113151052 is an apocalyptic number.

It is an amenable number.

511113151052 is an abundant number, since it is smaller than the sum of its proper divisors (511132017844).

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

511113151052 is a wasteful number, since it uses less digits than its factorization.

511113151052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336917 (or 336915 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 26.

Adding to 511113151052 its reverse (250151311115), we get a palindrome (761264462167).

The spelling of 511113151052 in words is "five hundred eleven billion, one hundred thirteen million, one hundred fifty-one thousand, fifty-two".