1151853361 has 4 divisors (see below), whose sum is σ = 1151979300. Its totient is φ = 1151727424.

The previous prime is 1151853337. The next prime is 1151853383. The reversal of 1151853361 is 1633581511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 155251600 + 996601761 = 12460^2 + 31569^2 .

It is a cyclic number.

It is not a de Polignac number, because 1151853361 - 2²³ = 1143464753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1151853061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48076 + ... + 67933.

It is an arithmetic number, because the mean of its divisors is an integer number (287994825).

Almost surely, 2^1151853361 is an apocalyptic number.

It is an amenable number.

1151853361 is a deficient number, since it is larger than the sum of its proper divisors (125939).

1151853361 is an equidigital number, since it uses as much as digits as its factorization.

1151853361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125938.

The product of its digits is 10800, while the sum is 34.

The square root of 1151853361 is about 33938.9652317215. The cubic root of 1151853361 is about 1048.2520762941.

The spelling of 1151853361 in words is "one billion, one hundred fifty-one million, eight hundred fifty-three thousand, three hundred sixty-one".