118930861487 has 4 divisors (see below), whose sum is σ = 119058882720. Its totient is φ = 118802840256.

The previous prime is 118930861463. The next prime is 118930861519. The reversal of 118930861487 is 784168039811.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 118930861487 - 2¹² = 118930857391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118930861417) 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 in 3 ways as a sum of consecutive naturals, for example, 64009223 + ... + 64011080.

It is an arithmetic number, because the mean of its divisors is an integer number (29764720680).

Almost surely, 2^118930861487 is an apocalyptic number.

118930861487 is a deficient number, since it is larger than the sum of its proper divisors (128021233).

118930861487 is an equidigital number, since it uses as much as digits as its factorization.

118930861487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128021232.

The product of its (nonzero) digits is 2322432, while the sum is 56.

The spelling of 118930861487 in words is "one hundred eighteen billion, nine hundred thirty million, eight hundred sixty-one thousand, four hundred eighty-seven".