61152521423 has 8 divisors (see below), whose sum is σ = 71513912448. Its totient is φ = 51197459544.

The previous prime is 61152521389. The next prime is 61152521483. The reversal of 61152521423 is 32412525116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61152521423 - 2¹⁶ = 61152455887 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61152521423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61152521483) 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 7 ways as a sum of consecutive naturals, for example, 101581961 + ... + 101582562.

It is an arithmetic number, because the mean of its divisors is an integer number (8939239056).

Almost surely, 2^61152521423 is an apocalyptic number.

61152521423 is a deficient number, since it is larger than the sum of its proper divisors (10361391025).

61152521423 is a wasteful number, since it uses less digits than its factorization.

61152521423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203164573.

The product of its digits is 14400, while the sum is 32.

The spelling of 61152521423 in words is "sixty-one billion, one hundred fifty-two million, five hundred twenty-one thousand, four hundred twenty-three".