151965991841 has 2 divisors, whose sum is σ = 151965991842. Its totient is φ = 151965991840.

The previous prime is 151965991831. The next prime is 151965991861. The reversal of 151965991841 is 148199569151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96397830400 + 55568161441 = 310480^2 + 235729^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151965991841 is a prime.

It is not a weakly prime, because it can be changed into another prime (151965991831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75982995920 + 75982995921.

It is an arithmetic number, because the mean of its divisors is an integer number (75982995921).

Almost surely, 2^151965991841 is an apocalyptic number.

It is an amenable number.

151965991841 is a deficient number, since it is larger than the sum of its proper divisors (1).

151965991841 is an equidigital number, since it uses as much as digits as its factorization.

151965991841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3499200, while the sum is 59.

The spelling of 151965991841 in words is "one hundred fifty-one billion, nine hundred sixty-five million, nine hundred ninety-one thousand, eight hundred forty-one".