109516961547 has 16 divisors (see below), whose sum is σ = 185425543680. Its totient is φ = 62581120776.

The previous prime is 109516961531. The next prime is 109516961557. The reversal of 109516961547 is 745169615901.

109516961547 is a `hidden beast` number, since 1 + 0 + 9 + 5 + 1 + 6 + 96 + 1 + 547 = 666.

It is not a de Polignac number, because 109516961547 - 2⁴ = 109516961531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 109516961493 and 109516961502.

It is not an unprimeable number, because it can be changed into a prime (109516961507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289727223 + ... + 289727600.

It is an arithmetic number, because the mean of its divisors is an integer number (11589096480).

Almost surely, 2^109516961547 is an apocalyptic number.

109516961547 is a deficient number, since it is larger than the sum of its proper divisors (75908582133).

109516961547 is an equidigital number, since it uses as much as digits as its factorization.

109516961547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579454839 (or 579454833 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 54.

The spelling of 109516961547 in words is "one hundred nine billion, five hundred sixteen million, nine hundred sixty-one thousand, five hundred forty-seven".