1151361565 has 8 divisors (see below), whose sum is σ = 1381817088. Its totient is φ = 920967120.

The previous prime is 1151361539. The next prime is 1151361571. The reversal of 1151361565 is 5651631511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1151361565 - 2⁷ = 1151361437 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1151361565.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59484 + ... + 76426.

It is an arithmetic number, because the mean of its divisors is an integer number (172727136).

Almost surely, 2^1151361565 is an apocalyptic number.

It is an amenable number.

1151361565 is a deficient number, since it is larger than the sum of its proper divisors (230455523).

1151361565 is a wasteful number, since it uses less digits than its factorization.

1151361565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30539.

The product of its digits is 13500, while the sum is 34.

The square root of 1151361565 is about 33931.7191577438. The cubic root of 1151361565 is about 1048.1028676122.

The spelling of 1151361565 in words is "one billion, one hundred fifty-one million, three hundred sixty-one thousand, five hundred sixty-five".