1311625463050 has 48 divisors (see below), whose sum is σ = 2788514023680. Its totient is φ = 449639991360.

The previous prime is 1311625463021. The next prime is 1311625463059. The reversal of 1311625463050 is 503645261131.

It is a super-2 number, since 2×1311625463050² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1311625463059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2409247 + ... + 2903053.

It is an arithmetic number, because the mean of its divisors is an integer number (58094042160).

Almost surely, 2^{1311625463050} is an apocalyptic number.

1311625463050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311625463050 is an abundant number, since it is smaller than the sum of its proper divisors (1476888560630).

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

1311625463050 is a wasteful number, since it uses less digits than its factorization.

1311625463050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501415 (or 501410 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 1311625463050 in words is "one trillion, three hundred eleven billion, six hundred twenty-five million, four hundred sixty-three thousand, fifty".