1316154605505 has 32 divisors (see below), whose sum is σ = 2114233608960. Its totient is φ = 699154671360.

The previous prime is 1316154605483. The next prime is 1316154605527. The reversal of 1316154605505 is 5055064516131.

It is an interprime number because it is at equal distance from previous prime (1316154605483) and next prime (1316154605527).

It is not a de Polignac number, because 1316154605505 - 2¹³ = 1316154597313 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 24515031 + ... + 24568659.

It is an arithmetic number, because the mean of its divisors is an integer number (66069800280).

Almost surely, 2^{1316154605505} is an apocalyptic number.

1316154605505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1316154605505 is a deficient number, since it is larger than the sum of its proper divisors (798079003455).

1316154605505 is a wasteful number, since it uses less digits than its factorization.

1316154605505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60121.

The product of its (nonzero) digits is 270000, while the sum is 42.

The spelling of 1316154605505 in words is "one trillion, three hundred sixteen billion, one hundred fifty-four million, six hundred five thousand, five hundred five".