9960554511 has 12 divisors (see below), whose sum is σ = 14388722920. Its totient is φ = 6639790320.

The previous prime is 9960554503. The next prime is 9960554537. The reversal of 9960554511 is 1154550699.

It is a happy number.

9960554511 is a `hidden beast` number, since 9 + 96 + 0 + 5 + 545 + 11 = 666.

It is not a de Polignac number, because 9960554511 - 2³ = 9960554503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9960554561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77985 + ... + 161253.

Almost surely, 2^9960554511 is an apocalyptic number.

9960554511 is a deficient number, since it is larger than the sum of its proper divisors (4428168409).

9960554511 is a wasteful number, since it uses less digits than its factorization.

9960554511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96566 (or 96563 counting only the distinct ones).

The product of its (nonzero) digits is 243000, while the sum is 45.

The square root of 9960554511 is about 99802.5776771322. The cubic root of 9960554511 is about 2151.5981995355.

The spelling of 9960554511 in words is "nine billion, nine hundred sixty million, five hundred fifty-four thousand, five hundred eleven".