61331443053 has 16 divisors (see below), whose sum is σ = 88405686720. Its totient is φ = 37688737536.

The previous prime is 61331443037. The next prime is 61331443081. The reversal of 61331443053 is 35034413316.

It is not a de Polignac number, because 61331443053 - 2⁴ = 61331443037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61331443853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14538300 + ... + 14542517.

It is an arithmetic number, because the mean of its divisors is an integer number (5525355420).

Almost surely, 2^61331443053 is an apocalyptic number.

It is an amenable number.

61331443053 is a deficient number, since it is larger than the sum of its proper divisors (27074243667).

61331443053 is a wasteful number, since it uses less digits than its factorization.

61331443053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29080876.

The product of its (nonzero) digits is 38880, while the sum is 33.

Adding to 61331443053 its reverse (35034413316), we get a palindrome (96365856369).

The spelling of 61331443053 in words is "sixty-one billion, three hundred thirty-one million, four hundred forty-three thousand, fifty-three".