511142350012 has 48 divisors (see below), whose sum is σ = 1076388624640. Its totient is φ = 207473726592.

The previous prime is 511142350009. The next prime is 511142350021. The reversal of 511142350012 is 210053241115.

It is a super-2 number, since 2×511142350012² (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 15 ways as a sum of consecutive naturals, for example, 1806208 + ... + 2069944.

Almost surely, 2^511142350012 is an apocalyptic number.

It is an amenable number.

511142350012 is an abundant number, since it is smaller than the sum of its proper divisors (565246274628).

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

511142350012 is a wasteful number, since it uses less digits than its factorization.

511142350012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267410 (or 267408 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 511142350012 its reverse (210053241115), we get a palindrome (721195591127).

The spelling of 511142350012 in words is "five hundred eleven billion, one hundred forty-two million, three hundred fifty thousand, twelve".