1161265002 has 48 divisors (see below), whose sum is σ = 2519856000. Its totient is φ = 356541952.

The previous prime is 1161264977. The next prime is 1161265103. The reversal of 1161265002 is 2005621611.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74374 + ... + 88622.

It is an arithmetic number, because the mean of its divisors is an integer number (52497000).

Almost surely, 2^1161265002 is an apocalyptic number.

1161265002 is an abundant number, since it is smaller than the sum of its proper divisors (1358590998).

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

1161265002 is a wasteful number, since it uses less digits than its factorization.

1161265002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14335 (or 14318 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1161265002 is about 34077.3385404436. The cubic root of 1161265002 is about 1051.0993782249.

Adding to 1161265002 its reverse (2005621611), we get a palindrome (3166886613).

The spelling of 1161265002 in words is "one billion, one hundred sixty-one million, two hundred sixty-five thousand, two".