61401264611 has 2 divisors, whose sum is σ = 61401264612. Its totient is φ = 61401264610.

The previous prime is 61401264607. The next prime is 61401264619. The reversal of 61401264611 is 11646210416.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61401264611 - 2² = 61401264607 is a prime.

It is not a weakly prime, because it can be changed into another prime (61401264619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30700632305 + 30700632306.

It is an arithmetic number, because the mean of its divisors is an integer number (30700632306).

Almost surely, 2^61401264611 is an apocalyptic number.

61401264611 is a deficient number, since it is larger than the sum of its proper divisors (1).

61401264611 is an equidigital number, since it uses as much as digits as its factorization.

61401264611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 61401264611 in words is "sixty-one billion, four hundred one million, two hundred sixty-four thousand, six hundred eleven".