253411412661 has 24 divisors (see below), whose sum is σ = 416676476736. Its totient is φ = 146905165440.

The previous prime is 253411412641. The next prime is 253411412701. The reversal of 253411412661 is 166214114352.

253411412661 is a `hidden beast` number, since 2 + 534 + 1 + 1 + 41 + 26 + 61 = 666.

It is not a de Polignac number, because 253411412661 - 2¹¹ = 253411410613 is a prime.

It is a super-2 number, since 2×253411412661² (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 (253411412621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55643620 + ... + 55648173.

It is an arithmetic number, because the mean of its divisors is an integer number (17361519864).

Almost surely, 2^253411412661 is an apocalyptic number.

It is an amenable number.

253411412661 is a deficient number, since it is larger than the sum of its proper divisors (163265064075).

253411412661 is a wasteful number, since it uses less digits than its factorization.

253411412661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111291833 (or 111291830 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The spelling of 253411412661 in words is "two hundred fifty-three billion, four hundred eleven million, four hundred twelve thousand, six hundred sixty-one".