505535146425 has 36 divisors (see below), whose sum is σ = 944837871744. Its totient is φ = 257896188000.

The previous prime is 505535146409. The next prime is 505535146429. The reversal of 505535146425 is 524641535505.

505535146425 is a `hidden beast` number, since 5 + 0 + 5 + 53 + 514 + 64 + 25 = 666.

It is not a de Polignac number, because 505535146425 - 2⁴ = 505535146409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (505535146429) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 48838801 + ... + 48849150.

Almost surely, 2^505535146425 is an apocalyptic number.

It is an amenable number.

505535146425 is a deficient number, since it is larger than the sum of its proper divisors (439302725319).

505535146425 is a wasteful number, since it uses less digits than its factorization.

505535146425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97687990 (or 97687982 counting only the distinct ones).

The product of its (nonzero) digits is 1800000, while the sum is 45.

The spelling of 505535146425 in words is "five hundred five billion, five hundred thirty-five million, one hundred forty-six thousand, four hundred twenty-five".