61026742606811 has 2 divisors, whose sum is σ = 61026742606812. Its totient is φ = 61026742606810.

The previous prime is 61026742606763. The next prime is 61026742606891. The reversal of 61026742606811 is 11860624762016.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61026742606811 - 2⁶ = 61026742606747 is a prime.

It is a super-2 number, since 2×61026742606811² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61026742606811.

It is not a weakly prime, because it can be changed into another prime (61026742606891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30513371303405 + 30513371303406.

It is an arithmetic number, because the mean of its divisors is an integer number (30513371303406).

Almost surely, 2^{61026742606811} is an apocalyptic number.

61026742606811 is a deficient number, since it is larger than the sum of its proper divisors (1).

61026742606811 is an equidigital number, since it uses as much as digits as its factorization.

61026742606811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 61026742606811 in words is "sixty-one trillion, twenty-six billion, seven hundred forty-two million, six hundred six thousand, eight hundred eleven".