61523125453161 has 24 divisors (see below), whose sum is σ = 93668885890944. Its totient is φ = 40343033074320.

The previous prime is 61523125453091. The next prime is 61523125453213. The reversal of 61523125453161 is 16135452132516.

It is a happy number.

61523125453161 is a `hidden beast` number, since 6 + 1 + 5 + 2 + 3 + 1 + 2 + 54 + 531 + 61 = 666.

61523125453161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61523125453161 - 2¹⁷ = 61523125322089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61523125452161) 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 23 ways as a sum of consecutive naturals, for example, 2075244081 + ... + 2075273726.

It is an arithmetic number, because the mean of its divisors is an integer number (3902870245456).

Almost surely, 2^{61523125453161} is an apocalyptic number.

61523125453161 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

61523125453161 is a deficient number, since it is larger than the sum of its proper divisors (32145760437783).

61523125453161 is an equidigital number, since it uses as much as digits as its factorization.

61523125453161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4150517883 (or 4150517871 counting only the distinct ones).

The product of its digits is 648000, while the sum is 45.

Adding to 61523125453161 its reverse (16135452132516), we get a palindrome (77658577585677).

The spelling of 61523125453161 in words is "sixty-one trillion, five hundred twenty-three billion, one hundred twenty-five million, four hundred fifty-three thousand, one hundred sixty-one".