1316206125520 has 320 divisors, whose sum is σ = 3692067692544. Its totient is φ = 430029250560.

The previous prime is 1316206125439. The next prime is 1316206125551. The reversal of 1316206125520 is 255216026131.

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 76994094 + ... + 77011186.

Almost surely, 2^{1316206125520} is an apocalyptic number.

1316206125520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1316206125520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1846033846272).

1316206125520 is an abundant number, since it is smaller than the sum of its proper divisors (2375861567024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1316206125520 is a wasteful number, since it uses less digits than its factorization.

1316206125520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17310 (or 17304 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 1316206125520 in words is "one trillion, three hundred sixteen billion, two hundred six million, one hundred twenty-five thousand, five hundred twenty".