253511161461 has 12 divisors (see below), whose sum is σ = 366947268480. Its totient is φ = 168654604200.

The previous prime is 253511161457. The next prime is 253511161507. The reversal of 253511161461 is 164161115352.

253511161461 is a `hidden beast` number, since 2 + 5 + 35 + 1 + 1 + 1 + 614 + 6 + 1 = 666.

It is not a de Polignac number, because 253511161461 - 2² = 253511161457 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253511161411) 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, 29398515 + ... + 29407136.

It is an arithmetic number, because the mean of its divisors is an integer number (30578939040).

Almost surely, 2^253511161461 is an apocalyptic number.

It is an amenable number.

253511161461 is a deficient number, since it is larger than the sum of its proper divisors (113436107019).

253511161461 is a wasteful number, since it uses less digits than its factorization.

253511161461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58806136 (or 58806133 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The spelling of 253511161461 in words is "two hundred fifty-three billion, five hundred eleven million, one hundred sixty-one thousand, four hundred sixty-one".