1311502551132 has 24 divisors (see below), whose sum is σ = 3075706496016. Its totient is φ = 434948391808.

The previous prime is 1311502551103. The next prime is 1311502551157. The reversal of 1311502551132 is 2311552051131.

It is a self number, because there is not a number n which added to its sum of digits gives 1311502551132.

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, 277388193 + ... + 277392920.

It is an arithmetic number, because the mean of its divisors is an integer number (128154437334).

Almost surely, 2^{1311502551132} is an apocalyptic number.

1311502551132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1311502551132 is an abundant number, since it is smaller than the sum of its proper divisors (1764203944884).

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

1311502551132 is a wasteful number, since it uses less digits than its factorization.

1311502551132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554781317 (or 554781315 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 30.

The spelling of 1311502551132 in words is "one trillion, three hundred eleven billion, five hundred two million, five hundred fifty-one thousand, one hundred thirty-two".