110542156691 has 2 divisors, whose sum is σ = 110542156692. Its totient is φ = 110542156690.

The previous prime is 110542156619. The next prime is 110542156723. The reversal of 110542156691 is 196651245011.

Together with previous prime (110542156619) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 110542156691 - 2²² = 110537962387 is a prime.

It is not a weakly prime, because it can be changed into another prime (110542156891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55271078345 + 55271078346.

It is an arithmetic number, because the mean of its divisors is an integer number (55271078346).

Almost surely, 2^110542156691 is an apocalyptic number.

110542156691 is a deficient number, since it is larger than the sum of its proper divisors (1).

110542156691 is an equidigital number, since it uses as much as digits as its factorization.

110542156691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 41.

The spelling of 110542156691 in words is "one hundred ten billion, five hundred forty-two million, one hundred fifty-six thousand, six hundred ninety-one".