61216432425423 has 24 divisors (see below), whose sum is σ = 96464611663056. Its totient is φ = 37099962556800.

The previous prime is 61216432425389. The next prime is 61216432425481. The reversal of 61216432425423 is 32452423461216.

61216432425423 is a `hidden beast` number, since 6 + 1 + 2 + 1 + 64 + 3 + 2 + 42 + 542 + 3 = 666.

It is not a de Polignac number, because 61216432425423 - 2³⁸ = 60941554518479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61216432425023) 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, 3458940 + ... + 11592977.

It is an arithmetic number, because the mean of its divisors is an integer number (4019358819294).

Almost surely, 2^{61216432425423} is an apocalyptic number.

61216432425423 is a deficient number, since it is larger than the sum of its proper divisors (35248179237633).

61216432425423 is a wasteful number, since it uses less digits than its factorization.

61216432425423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15093015 (or 15093012 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 45.

Adding to 61216432425423 its reverse (32452423461216), we get a palindrome (93668855886639).

The spelling of 61216432425423 in words is "sixty-one trillion, two hundred sixteen billion, four hundred thirty-two million, four hundred twenty-five thousand, four hundred twenty-three".