5511205511512 has 32 divisors (see below), whose sum is σ = 10667655573120. Its totient is φ = 2666510795520.

The previous prime is 5511205511479. The next prime is 5511205511521. The reversal of 5511205511512 is 2151155021155.

It is a super-2 number, since 2×5511205511512² (a number of 26 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 7 ways as a sum of consecutive naturals, for example, 2474458 + ... + 4140694.

It is an arithmetic number, because the mean of its divisors is an integer number (333364236660).

Almost surely, 2^{5511205511512} is an apocalyptic number.

It is an amenable number.

5511205511512 is a deficient number, since it is larger than the sum of its proper divisors (5156450061608).

5511205511512 is a wasteful number, since it uses less digits than its factorization.

5511205511512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1679611 (or 1679607 counting only the distinct ones).

The product of its (nonzero) digits is 12500, while the sum is 34.

The spelling of 5511205511512 in words is "five trillion, five hundred eleven billion, two hundred five million, five hundred eleven thousand, five hundred twelve".