1161165570048 has 576 divisors, whose sum is σ = 3807666336240. Its totient is φ = 351151718400.

The previous prime is 1161165570031. The next prime is 1161165570101. The reversal of 1161165570048 is 8400755611611.

1161165570048 is a `hidden beast` number, since 1 + 1 + 6 + 11 + 65 + 570 + 0 + 4 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a junction number, because it is equal to n+sod(n) for n = 1161165569985 and 1161165570012.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2364899083 + ... + 2364899573.

Almost surely, 2^{1161165570048} is an apocalyptic number.

1161165570048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1161165570048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1903833168120).

1161165570048 is an abundant number, since it is smaller than the sum of its proper divisors (2646500766192).

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

1161165570048 is an frugal number, since it uses more digits than its factorization.

1161165570048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556 (or 507 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 45.

The spelling of 1161165570048 in words is "one trillion, one hundred sixty-one billion, one hundred sixty-five million, five hundred seventy thousand, forty-eight".