110437070125661 has 2 divisors, whose sum is σ = 110437070125662. Its totient is φ = 110437070125660.

The previous prime is 110437070125607. The next prime is 110437070125793. The reversal of 110437070125661 is 166521070734011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102488674021561 + 7948396104100 = 10123669^2 + 2819290^2 .

It is a cyclic number.

It is not a de Polignac number, because 110437070125661 - 2⁶ = 110437070125597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110437070155661) 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, 55218535062830 + 55218535062831.

It is an arithmetic number, because the mean of its divisors is an integer number (55218535062831).

Almost surely, 2^{110437070125661} is an apocalyptic number.

It is an amenable number.

110437070125661 is a deficient number, since it is larger than the sum of its proper divisors (1).

110437070125661 is an equidigital number, since it uses as much as digits as its factorization.

110437070125661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 44.

The spelling of 110437070125661 in words is "one hundred ten trillion, four hundred thirty-seven billion, seventy million, one hundred twenty-five thousand, six hundred sixty-one".