1165501542 has 16 divisors (see below), whose sum is σ = 2346649200. Its totient is φ = 385892832.

The previous prime is 1165501523. The next prime is 1165501621. The reversal of 1165501542 is 2451055611.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 650953 + ... + 652740.

It is an arithmetic number, because the mean of its divisors is an integer number (146665575).

Almost surely, 2^1165501542 is an apocalyptic number.

1165501542 is an abundant number, since it is smaller than the sum of its proper divisors (1181147658).

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

1165501542 is a wasteful number, since it uses less digits than its factorization.

1165501542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303847.

The product of its (nonzero) digits is 6000, while the sum is 30.

The square root of 1165501542 is about 34139.4426140791. The cubic root of 1165501542 is about 1052.3760378187.

The spelling of 1165501542 in words is "one billion, one hundred sixty-five million, five hundred one thousand, five hundred forty-two".