511012311332 has 6 divisors (see below), whose sum is σ = 894271544838. Its totient is φ = 255506155664.

The previous prime is 511012311331. The next prime is 511012311361. The reversal of 511012311332 is 233113210115.

It can be written as a sum of positive squares in only one way, i.e., 375393937636 + 135618373696 = 612694^2 + 368264^2 .

It is a super-2 number, since 2×511012311332² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 511012311298 and 511012311307.

It is not an unprimeable number, because it can be changed into a prime (511012311331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63876538913 + ... + 63876538920.

It is an arithmetic number, because the mean of its divisors is an integer number (149045257473).

Almost surely, 2^511012311332 is an apocalyptic number.

It is an amenable number.

511012311332 is a deficient number, since it is larger than the sum of its proper divisors (383259233506).

511012311332 is a wasteful number, since it uses less digits than its factorization.

511012311332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127753077837 (or 127753077835 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

Adding to 511012311332 its reverse (233113210115), we get a palindrome (744125521447).

The spelling of 511012311332 in words is "five hundred eleven billion, twelve million, three hundred eleven thousand, three hundred thirty-two".