1346128955811 has 32 divisors (see below), whose sum is σ = 2043121812480. Its totient is φ = 875554272288.

The previous prime is 1346128955777. The next prime is 1346128955813. The reversal of 1346128955811 is 1185598216431.

1346128955811 is a `hidden beast` number, since 1 + 3 + 4 + 6 + 1 + 2 + 89 + 558 + 1 + 1 = 666.

It is not a de Polignac number, because 1346128955811 - 2¹⁰ = 1346128954787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1346128955813) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1270881 + ... + 2075426.

It is an arithmetic number, because the mean of its divisors is an integer number (63847556640).

Almost surely, 2^{1346128955811} is an apocalyptic number.

1346128955811 is a deficient number, since it is larger than the sum of its proper divisors (696992856669).

1346128955811 is a wasteful number, since it uses less digits than its factorization.

1346128955811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3346680 (or 3346674 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 54.

The spelling of 1346128955811 in words is "one trillion, three hundred forty-six billion, one hundred twenty-eight million, nine hundred fifty-five thousand, eight hundred eleven".