116615161505 has 16 divisors (see below), whose sum is σ = 140093815680. Its totient is φ = 93188454528.

The previous prime is 116615161469. The next prime is 116615161519. The reversal of 116615161505 is 505161516611.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 116615161505 - 2¹² = 116615157409 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24920756 + ... + 24925434.

It is an arithmetic number, because the mean of its divisors is an integer number (8755863480).

Almost surely, 2^116615161505 is an apocalyptic number.

It is an amenable number.

116615161505 is a deficient number, since it is larger than the sum of its proper divisors (23478654175).

116615161505 is a wasteful number, since it uses less digits than its factorization.

116615161505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9160.

The product of its (nonzero) digits is 27000, while the sum is 38.

The spelling of 116615161505 in words is "one hundred sixteen billion, six hundred fifteen million, one hundred sixty-one thousand, five hundred five".