109955001157 has 2 divisors, whose sum is σ = 109955001158. Its totient is φ = 109955001156.

The previous prime is 109955001109. The next prime is 109955001181. The reversal of 109955001157 is 751100559901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109922750116 + 32251041 = 331546^2 + 5679^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109955001157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109955001187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54977500578 + 54977500579.

It is an arithmetic number, because the mean of its divisors is an integer number (54977500579).

Almost surely, 2^109955001157 is an apocalyptic number.

It is an amenable number.

109955001157 is a deficient number, since it is larger than the sum of its proper divisors (1).

109955001157 is an equidigital number, since it uses as much as digits as its factorization.

109955001157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70875, while the sum is 43.

The spelling of 109955001157 in words is "one hundred nine billion, nine hundred fifty-five million, one thousand, one hundred fifty-seven".