1165048562601 has 64 divisors (see below), whose sum is σ = 2155829544960. Its totient is φ = 604113007680.

The previous prime is 1165048562597. The next prime is 1165048562627. The reversal of 1165048562601 is 1062658405611.

1165048562601 is a `hidden beast` number, since 1 + 1 + 6 + 50 + 485 + 62 + 60 + 1 = 666.

It is not a de Polignac number, because 1165048562601 - 2² = 1165048562597 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1165048562651) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 624975 + ... + 1649451.

It is an arithmetic number, because the mean of its divisors is an integer number (33684836640).

Almost surely, 2^{1165048562601} is an apocalyptic number.

1165048562601 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1165048562601 is a deficient number, since it is larger than the sum of its proper divisors (990780982359).

1165048562601 is a wasteful number, since it uses less digits than its factorization.

1165048562601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025051 (or 1025045 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The spelling of 1165048562601 in words is "one trillion, one hundred sixty-five billion, forty-eight million, five hundred sixty-two thousand, six hundred one".