117489987001547 has 2 divisors, whose sum is σ = 117489987001548. Its totient is φ = 117489987001546.

The previous prime is 117489987001481. The next prime is 117489987001613. The reversal of 117489987001547 is 745100789984711.

It is a balanced prime because it is at equal distance from previous prime (117489987001481) and next prime (117489987001613).

It is a cyclic number.

It is not a de Polignac number, because 117489987001547 - 2¹⁸ = 117489986739403 is a prime.

It is not a weakly prime, because it can be changed into another prime (117489987001447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58744993500773 + 58744993500774.

It is an arithmetic number, because the mean of its divisors is an integer number (58744993500774).

Almost surely, 2^{117489987001547} is an apocalyptic number.

117489987001547 is a deficient number, since it is larger than the sum of its proper divisors (1).

117489987001547 is an equidigital number, since it uses as much as digits as its factorization.

117489987001547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 142248960, while the sum is 71.

The spelling of 117489987001547 in words is "one hundred seventeen trillion, four hundred eighty-nine billion, nine hundred eighty-seven million, one thousand, five hundred forty-seven".