120315186869 has 2 divisors, whose sum is σ = 120315186870. Its totient is φ = 120315186868.

The previous prime is 120315186857. The next prime is 120315186877. The reversal of 120315186869 is 968681513021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94210321969 + 26104864900 = 306937^2 + 161570^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120315186869 is a prime.

It is a super-2 number, since 2×120315186869² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120315186889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60157593434 + 60157593435.

It is an arithmetic number, because the mean of its divisors is an integer number (60157593435).

Almost surely, 2^120315186869 is an apocalyptic number.

It is an amenable number.

120315186869 is a deficient number, since it is larger than the sum of its proper divisors (1).

120315186869 is an equidigital number, since it uses as much as digits as its factorization.

120315186869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 50.

The spelling of 120315186869 in words is "one hundred twenty billion, three hundred fifteen million, one hundred eighty-six thousand, eight hundred sixty-nine".