551065517516 has 6 divisors (see below), whose sum is σ = 964364655660. Its totient is φ = 275532758756.

The previous prime is 551065517479. The next prime is 551065517537. The reversal of 551065517516 is 615715560155.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68883189686 + ... + 68883189693.

It is an arithmetic number, because the mean of its divisors is an integer number (160727442610).

Almost surely, 2^551065517516 is an apocalyptic number.

It is an amenable number.

551065517516 is a deficient number, since it is larger than the sum of its proper divisors (413299138144).

551065517516 is a wasteful number, since it uses less digits than its factorization.

551065517516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137766379383 (or 137766379381 counting only the distinct ones).

The product of its (nonzero) digits is 787500, while the sum is 47.

The spelling of 551065517516 in words is "five hundred fifty-one billion, sixty-five million, five hundred seventeen thousand, five hundred sixteen".