150665428481 has 2 divisors, whose sum is σ = 150665428482. Its totient is φ = 150665428480.

The previous prime is 150665428457. The next prime is 150665428489. The reversal of 150665428481 is 184824566051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85620026881 + 65045401600 = 292609^2 + 255040^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-150665428481 is a prime.

It is a super-2 number, since 2×150665428481² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (150665428489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75332714240 + 75332714241.

It is an arithmetic number, because the mean of its divisors is an integer number (75332714241).

Almost surely, 2^150665428481 is an apocalyptic number.

It is an amenable number.

150665428481 is a deficient number, since it is larger than the sum of its proper divisors (1).

150665428481 is an equidigital number, since it uses as much as digits as its factorization.

150665428481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1843200, while the sum is 50.

The spelling of 150665428481 in words is "one hundred fifty billion, six hundred sixty-five million, four hundred twenty-eight thousand, four hundred eighty-one".