61537103043 has 16 divisors (see below), whose sum is σ = 93011546880. Its totient is φ = 35875881504.

The previous prime is 61537103041. The next prime is 61537103053. The reversal of 61537103043 is 34030173516.

It is not a de Polignac number, because 61537103043 - 2¹ = 61537103041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61537102995 and 61537103013.

It is not an unprimeable number, because it can be changed into a prime (61537103041) 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, 41522271 + ... + 41523752.

It is an arithmetic number, because the mean of its divisors is an integer number (5813221680).

Almost surely, 2^61537103043 is an apocalyptic number.

61537103043 is a deficient number, since it is larger than the sum of its proper divisors (31474443837).

61537103043 is a wasteful number, since it uses less digits than its factorization.

61537103043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83046058.

The product of its (nonzero) digits is 22680, while the sum is 33.

Adding to 61537103043 its reverse (34030173516), we get a palindrome (95567276559).

The spelling of 61537103043 in words is "sixty-one billion, five hundred thirty-seven million, one hundred three thousand, forty-three".