61095901567 has 2 divisors, whose sum is σ = 61095901568. Its totient is φ = 61095901566.

The previous prime is 61095901561. The next prime is 61095901589. The reversal of 61095901567 is 76510959016.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61095901567 - 2³¹ = 58948417919 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61095901567.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61095901561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30547950783 + 30547950784.

It is an arithmetic number, because the mean of its divisors is an integer number (30547950784).

Almost surely, 2^61095901567 is an apocalyptic number.

61095901567 is a deficient number, since it is larger than the sum of its proper divisors (1).

61095901567 is an equidigital number, since it uses as much as digits as its factorization.

61095901567 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 510300, while the sum is 49.

The spelling of 61095901567 in words is "sixty-one billion, ninety-five million, nine hundred one thousand, five hundred sixty-seven".