1520423435241 has 8 divisors (see below), whose sum is σ = 2252479163360. Its totient is φ = 1013615623476.

The previous prime is 1520423435233. The next prime is 1520423435287. The reversal of 1520423435241 is 1425343240251.

It is a happy number.

1520423435241 is a `hidden beast` number, since 1 + 52 + 0 + 42 + 3 + 43 + 524 + 1 = 666.

It is not a de Polignac number, because 1520423435241 - 2³ = 1520423435233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1520423435196 and 1520423435205.

It is not an unprimeable number, because it can be changed into a prime (1520424435241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28155989515 + ... + 28155989568.

It is an arithmetic number, because the mean of its divisors is an integer number (281559895420).

Almost surely, 2^{1520423435241} is an apocalyptic number.

It is an amenable number.

1520423435241 is a deficient number, since it is larger than the sum of its proper divisors (732055728119).

1520423435241 is an equidigital number, since it uses as much as digits as its factorization.

1520423435241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56311979092 (or 56311979086 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 1520423435241 its reverse (1425343240251), we get a palindrome (2945766675492).

The spelling of 1520423435241 in words is "one trillion, five hundred twenty billion, four hundred twenty-three million, four hundred thirty-five thousand, two hundred forty-one".