111423126007151 has 4 divisors (see below), whose sum is σ = 127340715436752. Its totient is φ = 95505536577552.

The previous prime is 111423126007129. The next prime is 111423126007159. The reversal of 111423126007151 is 151700621324111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111423126007151 is a prime.

It is a super-2 number, since 2×111423126007151² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111423126007159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7958794714790 + ... + 7958794714803.

It is an arithmetic number, because the mean of its divisors is an integer number (31835178859188).

Almost surely, 2^{111423126007151} is an apocalyptic number.

111423126007151 is a deficient number, since it is larger than the sum of its proper divisors (15917589429601).

111423126007151 is an equidigital number, since it uses as much as digits as its factorization.

111423126007151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15917589429600.

The product of its (nonzero) digits is 10080, while the sum is 35.

The spelling of 111423126007151 in words is "one hundred eleven trillion, four hundred twenty-three billion, one hundred twenty-six million, seven thousand, one hundred fifty-one".