153236503481 has 2 divisors, whose sum is σ = 153236503482. Its totient is φ = 153236503480.

The previous prime is 153236503463. The next prime is 153236503529. The reversal of 153236503481 is 184305632351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128080957456 + 25155546025 = 357884^2 + 158605^2 .

It is a cyclic number.

It is not a de Polignac number, because 153236503481 - 2¹⁰ = 153236502457 is a prime.

It is a super-2 number, since 2×153236503481² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (153236503421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76618251740 + 76618251741.

It is an arithmetic number, because the mean of its divisors is an integer number (76618251741).

Almost surely, 2^153236503481 is an apocalyptic number.

It is an amenable number.

153236503481 is a deficient number, since it is larger than the sum of its proper divisors (1).

153236503481 is an equidigital number, since it uses as much as digits as its factorization.

153236503481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 153236503481 in words is "one hundred fifty-three billion, two hundred thirty-six million, five hundred three thousand, four hundred eighty-one".