1311056455546 has 16 divisors (see below), whose sum is σ = 2019822204960. Its totient is φ = 637783906320.

The previous prime is 1311056455523. The next prime is 1311056455567. The reversal of 1311056455546 is 6455546501131.

It is a junction number, because it is equal to n+sod(n) for n = 1311056455496 and 1311056455505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1415025 + ... + 2150443.

It is an arithmetic number, because the mean of its divisors is an integer number (126238887810).

Almost surely, 2^{1311056455546} is an apocalyptic number.

1311056455546 is a deficient number, since it is larger than the sum of its proper divisors (708765749414).

1311056455546 is a wasteful number, since it uses less digits than its factorization.

1311056455546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759549.

The product of its (nonzero) digits is 1080000, while the sum is 46.

The spelling of 1311056455546 in words is "one trillion, three hundred eleven billion, fifty-six million, four hundred fifty-five thousand, five hundred forty-six".