53642161611 has 24 divisors (see below), whose sum is σ = 78388081200. Its totient is φ = 35345016000.

The previous prime is 53642161603. The next prime is 53642161627. The reversal of 53642161611 is 11616124635.

53642161611 is a `hidden beast` number, since 5 + 3 + 6 + 4 + 21 + 616 + 11 = 666.

It is not a de Polignac number, because 53642161611 - 2³ = 53642161603 is a prime.

It is a super-3 number, since 3×53642161611³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (53642161691) 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, 467365 + ... + 570713.

It is an arithmetic number, because the mean of its divisors is an integer number (3266170050).

Almost surely, 2^53642161611 is an apocalyptic number.

53642161611 is a deficient number, since it is larger than the sum of its proper divisors (24745919589).

53642161611 is a wasteful number, since it uses less digits than its factorization.

53642161611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104027 (or 104024 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The spelling of 53642161611 in words is "fifty-three billion, six hundred forty-two million, one hundred sixty-one thousand, six hundred eleven".