1205425351005 has 16 divisors (see below), whose sum is σ = 1931806476864. Its totient is φ = 641851548800.

The previous prime is 1205425350931. The next prime is 1205425351007. The reversal of 1205425351005 is 5001535245021.

It is not a de Polignac number, because 1205425351005 - 2⁸ = 1205425350749 is a prime.

It is a super-3 number, since 3×1205425351005³ (a number of 37 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1205425351007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65113671 + ... + 65132180.

It is an arithmetic number, because the mean of its divisors is an integer number (120737904804).

Almost surely, 2^{1205425351005} is an apocalyptic number.

1205425351005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1205425351005 is a deficient number, since it is larger than the sum of its proper divisors (726381125859).

1205425351005 is a wasteful number, since it uses less digits than its factorization.

1205425351005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130246476.

The product of its (nonzero) digits is 30000, while the sum is 33.

The spelling of 1205425351005 in words is "one trillion, two hundred five billion, four hundred twenty-five million, three hundred fifty-one thousand, five".