1311050561454 has 64 divisors (see below), whose sum is σ = 3112124431680. Its totient is φ = 407670036480.

The previous prime is 1311050561419. The next prime is 1311050561461. The reversal of 1311050561454 is 4541650501131.

1311050561454 is a `hidden beast` number, since 1 + 3 + 1 + 1 + 0 + 50 + 561 + 45 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6215557 + ... + 6423024.

It is an arithmetic number, because the mean of its divisors is an integer number (48626944245).

Almost surely, 2^{1311050561454} is an apocalyptic number.

1311050561454 is an abundant number, since it is smaller than the sum of its proper divisors (1801073870226).

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

1311050561454 is a wasteful number, since it uses less digits than its factorization.

1311050561454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12638722 (or 12638716 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The spelling of 1311050561454 in words is "one trillion, three hundred eleven billion, fifty million, five hundred sixty-one thousand, four hundred fifty-four".