61024131331153 has 4 divisors (see below), whose sum is σ = 61433689259700. Its totient is φ = 60614573402608.

The previous prime is 61024131331139. The next prime is 61024131331157. The reversal of 61024131331153 is 35113313142016.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39043102408704 + 21981028922449 = 6248448^2 + 4688393^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61024131331153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61024131331157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204778964050 + ... + 204778964347.

It is an arithmetic number, because the mean of its divisors is an integer number (15358422314925).

Almost surely, 2^{61024131331153} is an apocalyptic number.

It is an amenable number.

61024131331153 is a deficient number, since it is larger than the sum of its proper divisors (409557928547).

61024131331153 is a wasteful number, since it uses less digits than its factorization.

61024131331153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409557928546.

The product of its (nonzero) digits is 19440, while the sum is 34.

Adding to 61024131331153 its reverse (35113313142016), we get a palindrome (96137444473169).

The spelling of 61024131331153 in words is "sixty-one trillion, twenty-four billion, one hundred thirty-one million, three hundred thirty-one thousand, one hundred fifty-three".