1311052555105 has 32 divisors (see below), whose sum is σ = 1614014138880. Its totient is φ = 1021886423040.

The previous prime is 1311052555039. The next prime is 1311052555123. The reversal of 1311052555105 is 5015552501131.

It is not a de Polignac number, because 1311052555105 - 2⁹ = 1311052554593 is a prime.

It is a super-2 number, since 2×1311052555105² (a number of 25 digits) contains 22 as substring.

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, 52176945 + ... + 52202065.

It is an arithmetic number, because the mean of its divisors is an integer number (50437941840).

Almost surely, 2^{1311052555105} is an apocalyptic number.

It is an amenable number.

1311052555105 is a deficient number, since it is larger than the sum of its proper divisors (302961583775).

1311052555105 is a wasteful number, since it uses less digits than its factorization.

1311052555105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26169.

The product of its (nonzero) digits is 18750, while the sum is 34.

The spelling of 1311052555105 in words is "one trillion, three hundred eleven billion, fifty-two million, five hundred fifty-five thousand, one hundred five".