1611130400071 has 2 divisors, whose sum is σ = 1611130400072. Its totient is φ = 1611130400070.

The previous prime is 1611130400053. The next prime is 1611130400123. The reversal of 1611130400071 is 1700040311161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1611130400071 - 2⁷ = 1611130399943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1611130400171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 805565200035 + 805565200036.

It is an arithmetic number, because the mean of its divisors is an integer number (805565200036).

Almost surely, 2^{1611130400071} is an apocalyptic number.

1611130400071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1611130400071 is an equidigital number, since it uses as much as digits as its factorization.

1611130400071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 25.

The spelling of 1611130400071 in words is "one trillion, six hundred eleven billion, one hundred thirty million, four hundred thousand, seventy-one".