505545011412 has 48 divisors (see below), whose sum is σ = 1381001016192. Its totient is φ = 140918469120.

The previous prime is 505545011369. The next prime is 505545011423. The reversal of 505545011412 is 214110545505.

It is a happy number.

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, 73391593 + ... + 73398480.

It is an arithmetic number, because the mean of its divisors is an integer number (28770854504).

Almost surely, 2^505545011412 is an apocalyptic number.

It is an amenable number.

505545011412 is an abundant number, since it is smaller than the sum of its proper divisors (875456004780).

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

505545011412 is a wasteful number, since it uses less digits than its factorization.

505545011412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146790128 (or 146790126 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 33.

Adding to 505545011412 its reverse (214110545505), we get a palindrome (719655556917).

The spelling of 505545011412 in words is "five hundred five billion, five hundred forty-five million, eleven thousand, four hundred twelve".