1315255215502 has 8 divisors (see below), whose sum is σ = 1973478330576. Its totient is φ = 657429105312.

The previous prime is 1315255215431. The next prime is 1315255215511. The reversal of 1315255215502 is 2055125525131.

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

It is a super-2 number, since 2×1315255215502² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99242938 + ... + 99256189.

It is an arithmetic number, because the mean of its divisors is an integer number (246684791322).

Almost surely, 2^{1315255215502} is an apocalyptic number.

1315255215502 is a deficient number, since it is larger than the sum of its proper divisors (658223115074).

1315255215502 is a wasteful number, since it uses less digits than its factorization.

1315255215502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198502442.

The product of its (nonzero) digits is 75000, while the sum is 37.

The spelling of 1315255215502 in words is "one trillion, three hundred fifteen billion, two hundred fifty-five million, two hundred fifteen thousand, five hundred two".