1505432228081 has 2 divisors, whose sum is σ = 1505432228082. Its totient is φ = 1505432228080.

The previous prime is 1505432228029. The next prime is 1505432228093. The reversal of 1505432228081 is 1808222345051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1040826403681 + 464605824400 = 1020209^2 + 681620^2 .

It is a cyclic number.

It is not a de Polignac number, because 1505432228081 - 2¹⁸ = 1505431965937 is a prime.

It is a super-2 number, since 2×1505432228081² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1505432228011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 752716114040 + 752716114041.

It is an arithmetic number, because the mean of its divisors is an integer number (752716114041).

Almost surely, 2^{1505432228081} is an apocalyptic number.

It is an amenable number.

1505432228081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1505432228081 is an equidigital number, since it uses as much as digits as its factorization.

1505432228081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 153600, while the sum is 41.

The spelling of 1505432228081 in words is "one trillion, five hundred five billion, four hundred thirty-two million, two hundred twenty-eight thousand, eighty-one".