45642211187 has 2 divisors, whose sum is σ = 45642211188. Its totient is φ = 45642211186.

The previous prime is 45642211177. The next prime is 45642211267. The reversal of 45642211187 is 78111224654.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45642211187 - 2⁴ = 45642211171 is a prime.

It is a super-2 number, since 2×45642211187² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45642211117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22821105593 + 22821105594.

It is an arithmetic number, because the mean of its divisors is an integer number (22821105594).

Almost surely, 2^45642211187 is an apocalyptic number.

45642211187 is a deficient number, since it is larger than the sum of its proper divisors (1).

45642211187 is an equidigital number, since it uses as much as digits as its factorization.

45642211187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 107520, while the sum is 41.

The spelling of 45642211187 in words is "forty-five billion, six hundred forty-two million, two hundred eleven thousand, one hundred eighty-seven".