1316256501215 has 8 divisors (see below), whose sum is σ = 1579515800400. Its totient is φ = 1052999868352.

The previous prime is 1316256501211. The next prime is 1316256501227. The reversal of 1316256501215 is 5121056526131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1316256501215 - 2² = 1316256501211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316256501211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 659192 + ... + 1751298.

It is an arithmetic number, because the mean of its divisors is an integer number (197439475050).

Almost surely, 2^{1316256501215} is an apocalyptic number.

1316256501215 is a deficient number, since it is larger than the sum of its proper divisors (263259299185).

1316256501215 is a wasteful number, since it uses less digits than its factorization.

1316256501215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333161.

The product of its (nonzero) digits is 54000, while the sum is 38.

The spelling of 1316256501215 in words is "one trillion, three hundred sixteen billion, two hundred fifty-six million, five hundred one thousand, two hundred fifteen".