61051052641 has 2 divisors, whose sum is σ = 61051052642. Its totient is φ = 61051052640.

The previous prime is 61051052611. The next prime is 61051052653. The reversal of 61051052641 is 14625015016.

61051052641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58100281600 + 2950771041 = 241040^2 + 54321^2 .

It is a cyclic number.

It is not a de Polignac number, because 61051052641 - 2¹⁵ = 61051019873 is a prime.

It is not a weakly prime, because it can be changed into another prime (61051052611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30525526320 + 30525526321.

It is an arithmetic number, because the mean of its divisors is an integer number (30525526321).

Almost surely, 2^61051052641 is an apocalyptic number.

It is an amenable number.

61051052641 is a deficient number, since it is larger than the sum of its proper divisors (1).

61051052641 is an equidigital number, since it uses as much as digits as its factorization.

61051052641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 61051052641 its reverse (14625015016), we get a palindrome (75676067657).

The spelling of 61051052641 in words is "sixty-one billion, fifty-one million, fifty-two thousand, six hundred forty-one".