425160537021 has 12 divisors (see below), whose sum is σ = 669949937280. Its totient is φ = 257673052680.

The previous prime is 425160536989. The next prime is 425160537029. The reversal of 425160537021 is 120735061524.

425160537021 is a `hidden beast` number, since 4 + 2 + 516 + 0 + 53 + 70 + 21 = 666.

It is not a de Polignac number, because 425160537021 - 2⁵ = 425160536989 is a prime.

It is a super-2 number, since 2×425160537021² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425160537029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2147275341 + ... + 2147275538.

It is an arithmetic number, because the mean of its divisors is an integer number (55829161440).

Almost surely, 2^425160537021 is an apocalyptic number.

It is an amenable number.

425160537021 is a deficient number, since it is larger than the sum of its proper divisors (244789400259).

425160537021 is a wasteful number, since it uses less digits than its factorization.

425160537021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4294550896 (or 4294550893 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

Adding to 425160537021 its reverse (120735061524), we get a palindrome (545895598545).

The spelling of 425160537021 in words is "four hundred twenty-five billion, one hundred sixty million, five hundred thirty-seven thousand, twenty-one".