1311063052450 has 48 divisors (see below), whose sum is σ = 2567480760000. Its totient is φ = 496716027840.

The previous prime is 1311063052441. The next prime is 1311063052451. The reversal of 1311063052450 is 542503601131.

It is a super-2 number, since 2×1311063052450² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1311063052451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4297576 + ... + 4592524.

It is an arithmetic number, because the mean of its divisors is an integer number (53489182500).

Almost surely, 2^{1311063052450} is an apocalyptic number.

1311063052450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311063052450 is a deficient number, since it is larger than the sum of its proper divisors (1256417707550).

1311063052450 is a wasteful number, since it uses less digits than its factorization.

1311063052450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299659 (or 299654 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 1311063052450 its reverse (542503601131), we get a palindrome (1853566653581).

The spelling of 1311063052450 in words is "one trillion, three hundred eleven billion, sixty-three million, fifty-two thousand, four hundred fifty".