1315451011679 has 4 divisors (see below), whose sum is σ = 1503372584784. Its totient is φ = 1127529438576.

The previous prime is 1315451011669. The next prime is 1315451011751. The reversal of 1315451011679 is 9761101545131.

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 1315451011679 - 2⁸ = 1315451011423 is a prime.

It is a super-2 number, since 2×1315451011679² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315451011639) 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, 93960786542 + ... + 93960786555.

It is an arithmetic number, because the mean of its divisors is an integer number (375843146196).

Almost surely, 2^{1315451011679} is an apocalyptic number.

1315451011679 is a deficient number, since it is larger than the sum of its proper divisors (187921573105).

1315451011679 is an equidigital number, since it uses as much as digits as its factorization.

1315451011679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187921573104.

The product of its (nonzero) digits is 113400, while the sum is 44.

The spelling of 1315451011679 in words is "one trillion, three hundred fifteen billion, four hundred fifty-one million, eleven thousand, six hundred seventy-nine".