150657705509 has 2 divisors, whose sum is σ = 150657705510. Its totient is φ = 150657705508.

The previous prime is 150657705491. The next prime is 150657705623. The reversal of 150657705509 is 905507756051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103746477409 + 46911228100 = 322097^2 + 216590^2 .

It is a cyclic number.

It is not a de Polignac number, because 150657705509 - 2¹² = 150657701413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150657705109) 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, 75328852754 + 75328852755.

It is an arithmetic number, because the mean of its divisors is an integer number (75328852755).

Almost surely, 2^150657705509 is an apocalyptic number.

It is an amenable number.

150657705509 is a deficient number, since it is larger than the sum of its proper divisors (1).

150657705509 is an equidigital number, since it uses as much as digits as its factorization.

150657705509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1653750, while the sum is 50.

The spelling of 150657705509 in words is "one hundred fifty billion, six hundred fifty-seven million, seven hundred five thousand, five hundred nine".