1315651129651 has 8 divisors (see below), whose sum is σ = 1381109990400. Its totient is φ = 1251630925320.

The previous prime is 1315651129631. The next prime is 1315651129693. The reversal of 1315651129651 is 1569211565131.

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

It is not a de Polignac number, because 1315651129651 - 2⁵ = 1315651129619 is a prime.

It is a super-2 number, since 2×1315651129651² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1315651129631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359662231 + ... + 359665888.

It is an arithmetic number, because the mean of its divisors is an integer number (172638748800).

Almost surely, 2^{1315651129651} is an apocalyptic number.

1315651129651 is a deficient number, since it is larger than the sum of its proper divisors (65458860749).

1315651129651 is an equidigital number, since it uses as much as digits as its factorization.

1315651129651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719328209.

The product of its digits is 243000, while the sum is 46.

The spelling of 1315651129651 in words is "one trillion, three hundred fifteen billion, six hundred fifty-one million, one hundred twenty-nine thousand, six hundred fifty-one".