61152161571 has 16 divisors (see below), whose sum is σ = 91613728800. Its totient is φ = 40310037504.

The previous prime is 61152161531. The next prime is 61152161593. The reversal of 61152161571 is 17516125116.

61152161571 is a `hidden beast` number, since 6 + 1 + 1 + 5 + 21 + 61 + 571 = 666.

It is not a de Polignac number, because 61152161571 - 2²⁷ = 61017943843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61152161531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12721726 + ... + 12726531.

It is an arithmetic number, because the mean of its divisors is an integer number (5725858050).

Almost surely, 2^61152161571 is an apocalyptic number.

61152161571 is a deficient number, since it is larger than the sum of its proper divisors (30461567229).

61152161571 is a wasteful number, since it uses less digits than its factorization.

61152161571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25448355 (or 25448349 counting only the distinct ones).

The product of its digits is 12600, while the sum is 36.

Adding to 61152161571 its reverse (17516125116), we get a palindrome (78668286687).

The spelling of 61152161571 in words is "sixty-one billion, one hundred fifty-two million, one hundred sixty-one thousand, five hundred seventy-one".