61541332502183 has 2 divisors, whose sum is σ = 61541332502184. Its totient is φ = 61541332502182.

The previous prime is 61541332502057. The next prime is 61541332502323. The reversal of 61541332502183 is 38120523314516.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61541332502183 - 2⁸ = 61541332501927 is a prime.

It is a super-2 number, since 2×61541332502183² (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51541332502183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30770666251091 + 30770666251092.

It is an arithmetic number, because the mean of its divisors is an integer number (30770666251092).

Almost surely, 2^{61541332502183} is an apocalyptic number.

61541332502183 is a deficient number, since it is larger than the sum of its proper divisors (1).

61541332502183 is an equidigital number, since it uses as much as digits as its factorization.

61541332502183 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518400, while the sum is 44.

Adding to 61541332502183 its reverse (38120523314516), we get a palindrome (99661855816699).

The spelling of 61541332502183 in words is "sixty-one trillion, five hundred forty-one billion, three hundred thirty-two million, five hundred two thousand, one hundred eighty-three".