1313551125099 has 6 divisors (see below), whose sum is σ = 1897351625156. Its totient is φ = 875700750060.

The previous prime is 1313551125031. The next prime is 1313551125119. The reversal of 1313551125099 is 9905211553131.

It is a happy number.

1313551125099 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 551 + 1 + 2 + 5 + 0 + 99 = 666.

It is not a de Polignac number, because 1313551125099 - 2¹³ = 1313551116907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313551123099) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72975062497 + ... + 72975062514.

Almost surely, 2^{1313551125099} is an apocalyptic number.

1313551125099 is a deficient number, since it is larger than the sum of its proper divisors (583800500057).

1313551125099 is a wasteful number, since it uses less digits than its factorization.

1313551125099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145950125017 (or 145950125014 counting only the distinct ones).

The product of its (nonzero) digits is 182250, while the sum is 45.

The spelling of 1313551125099 in words is "one trillion, three hundred thirteen billion, five hundred fifty-one million, one hundred twenty-five thousand, ninety-nine".