187620045113 has 2 divisors, whose sum is σ = 187620045114. Its totient is φ = 187620045112.

The previous prime is 187620045079. The next prime is 187620045121. The reversal of 187620045113 is 311540026781.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 180852021289 + 6768023824 = 425267^2 + 82268^2 .

It is a cyclic number.

It is not a de Polignac number, because 187620045113 - 2²² = 187615850809 is a prime.

It is not a weakly prime, because it can be changed into another prime (187620045133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 93810022556 + 93810022557.

It is an arithmetic number, because the mean of its divisors is an integer number (93810022557).

Almost surely, 2^187620045113 is an apocalyptic number.

It is an amenable number.

187620045113 is a deficient number, since it is larger than the sum of its proper divisors (1).

187620045113 is an equidigital number, since it uses as much as digits as its factorization.

187620045113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 38.

The spelling of 187620045113 in words is "one hundred eighty-seven billion, six hundred twenty million, forty-five thousand, one hundred thirteen".