1315154551205 has 8 divisors (see below), whose sum is σ = 1721656867104. Its totient is φ = 956476037200.

The previous prime is 1315154551171. The next prime is 1315154551211. The reversal of 1315154551205 is 5021554515131.

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

It is not a de Polignac number, because 1315154551205 - 2⁸ = 1315154550949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 11955950411 + ... + 11955950520.

It is an arithmetic number, because the mean of its divisors is an integer number (215207108388).

Almost surely, 2^{1315154551205} is an apocalyptic number.

It is an amenable number.

1315154551205 is a deficient number, since it is larger than the sum of its proper divisors (406502315899).

1315154551205 is a wasteful number, since it uses less digits than its factorization.

1315154551205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23911900947.

The product of its (nonzero) digits is 75000, while the sum is 38.

The spelling of 1315154551205 in words is "one trillion, three hundred fifteen billion, one hundred fifty-four million, five hundred fifty-one thousand, two hundred five".