101118516787 has 4 divisors (see below), whose sum is σ = 101196241776. Its totient is φ = 101040791800.

The previous prime is 101118516739. The next prime is 101118516791. The reversal of 101118516787 is 787615811101.

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 101118516787 - 2¹⁹ = 101117992499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101118516797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38860543 + ... + 38863144.

It is an arithmetic number, because the mean of its divisors is an integer number (25299060444).

Almost surely, 2^101118516787 is an apocalyptic number.

101118516787 is a deficient number, since it is larger than the sum of its proper divisors (77724989).

101118516787 is an equidigital number, since it uses as much as digits as its factorization.

101118516787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77724988.

The product of its (nonzero) digits is 94080, while the sum is 46.

The spelling of 101118516787 in words is "one hundred one billion, one hundred eighteen million, five hundred sixteen thousand, seven hundred eighty-seven".