61052550731 has 2 divisors, whose sum is σ = 61052550732. Its totient is φ = 61052550730.

The previous prime is 61052550719. The next prime is 61052550763. The reversal of 61052550731 is 13705525016.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61052550731 - 2¹⁸ = 61052288587 is a prime.

It is a super-2 number, since 2×61052550731² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61052550691 and 61052550700.

It is not a weakly prime, because it can be changed into another prime (61052550431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30526275365 + 30526275366.

It is an arithmetic number, because the mean of its divisors is an integer number (30526275366).

Almost surely, 2^61052550731 is an apocalyptic number.

61052550731 is a deficient number, since it is larger than the sum of its proper divisors (1).

61052550731 is an equidigital number, since it uses as much as digits as its factorization.

61052550731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31500, while the sum is 35.

The spelling of 61052550731 in words is "sixty-one billion, fifty-two million, five hundred fifty thousand, seven hundred thirty-one".