1253424410205 has 16 divisors (see below), whose sum is σ = 2187795334464. Its totient is φ = 607720926080.

The previous prime is 1253424410179. The next prime is 1253424410209. The reversal of 1253424410205 is 5020144243521.

It is not a de Polignac number, because 1253424410205 - 2¹¹ = 1253424408157 is a prime.

It is a super-3 number, since 3×1253424410205³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253424410209) 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, 3798255624 + ... + 3798255953.

It is an arithmetic number, because the mean of its divisors is an integer number (136737208404).

Almost surely, 2^{1253424410205} is an apocalyptic number.

1253424410205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1253424410205 is a deficient number, since it is larger than the sum of its proper divisors (934370924259).

1253424410205 is a wasteful number, since it uses less digits than its factorization.

1253424410205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7596511596.

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 1253424410205 its reverse (5020144243521), we get a palindrome (6273568653726).

The spelling of 1253424410205 in words is "one trillion, two hundred fifty-three billion, four hundred twenty-four million, four hundred ten thousand, two hundred five".