5551165516525 has 24 divisors (see below), whose sum is σ = 6975209183040. Its totient is φ = 4382118092160.

The previous prime is 5551165516453. The next prime is 5551165516537. The reversal of 5551165516525 is 5256155611555.

It is not a de Polignac number, because 5551165516525 - 2¹⁷ = 5551165385453 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4280655 + ... + 5424604.

It is an arithmetic number, because the mean of its divisors is an integer number (290633715960).

Almost surely, 2^{5551165516525} is an apocalyptic number.

It is an amenable number.

5551165516525 is a deficient number, since it is larger than the sum of its proper divisors (1424043666515).

5551165516525 is a wasteful number, since it uses less digits than its factorization.

5551165516525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9705573 (or 9705568 counting only the distinct ones).

The product of its digits is 5625000, while the sum is 52.

The spelling of 5551165516525 in words is "five trillion, five hundred fifty-one billion, one hundred sixty-five million, five hundred sixteen thousand, five hundred twenty-five".