1151851853 has 2 divisors, whose sum is σ = 1151851854. Its totient is φ = 1151851852.

The previous prime is 1151851849. The next prime is 1151851901. The reversal of 1151851853 is 3581581511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1151787844 + 64009 = 33938^2 + 253^2 .

It is a cyclic number.

It is not a de Polignac number, because 1151851853 - 2² = 1151851849 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1151851823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575925926 + 575925927.

It is an arithmetic number, because the mean of its divisors is an integer number (575925927).

Almost surely, 2^1151851853 is an apocalyptic number.

It is an amenable number.

1151851853 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151851853 is an equidigital number, since it uses as much as digits as its factorization.

1151851853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24000, while the sum is 38.

The square root of 1151851853 is about 33938.9430153622. The cubic root of 1151851853 is about 1048.2516188387.

The spelling of 1151851853 in words is "one billion, one hundred fifty-one million, eight hundred fifty-one thousand, eight hundred fifty-three".