1145312771334 has 16 divisors (see below), whose sum is σ = 2290640316480. Its totient is φ = 381768461480.

The previous prime is 1145312771299. The next prime is 1145312771341. The reversal of 1145312771334 is 4331772135411.

It is a happy number.

It is a Curzon number.

It is a congruent number.

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, 566977 + ... + 1616195.

It is an arithmetic number, because the mean of its divisors is an integer number (143165019780).

Almost surely, 2^{1145312771334} is an apocalyptic number.

1145312771334 is an abundant number, since it is smaller than the sum of its proper divisors (1145327545146).

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

1145312771334 is a wasteful number, since it uses less digits than its factorization.

1145312771334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231155.

The product of its digits is 211680, while the sum is 42.

The spelling of 1145312771334 in words is "one trillion, one hundred forty-five billion, three hundred twelve million, seven hundred seventy-one thousand, three hundred thirty-four".