6115100105381 has 2 divisors, whose sum is σ = 6115100105382. Its totient is φ = 6115100105380.

The previous prime is 6115100105339. The next prime is 6115100105447. The reversal of 6115100105381 is 1835010015116.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5740054097281 + 375046008100 = 2395841^2 + 612410^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6115100105381 is a prime.

It is a super-2 number, since 2×6115100105381² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6115100105311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3057550052690 + 3057550052691.

It is an arithmetic number, because the mean of its divisors is an integer number (3057550052691).

Almost surely, 2^{6115100105381} is an apocalyptic number.

It is an amenable number.

6115100105381 is a deficient number, since it is larger than the sum of its proper divisors (1).

6115100105381 is an equidigital number, since it uses as much as digits as its factorization.

6115100105381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 32.

The spelling of 6115100105381 in words is "six trillion, one hundred fifteen billion, one hundred million, one hundred five thousand, three hundred eighty-one".