511031406136 has 16 divisors (see below), whose sum is σ = 960280575840. Its totient is φ = 254956585920.

The previous prime is 511031406121. The next prime is 511031406191. The reversal of 511031406136 is 631604130115.

It is a super-2 number, since 2×511031406136² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 511031406098 and 511031406107.

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, 69885760 + ... + 69893071.

It is an arithmetic number, because the mean of its divisors is an integer number (60017535990).

Almost surely, 2^511031406136 is an apocalyptic number.

It is an amenable number.

511031406136 is a deficient number, since it is larger than the sum of its proper divisors (449249169704).

511031406136 is a wasteful number, since it uses less digits than its factorization.

511031406136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139779294 (or 139779290 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The spelling of 511031406136 in words is "five hundred eleven billion, thirty-one million, four hundred six thousand, one hundred thirty-six".