1397284260311 has 8 divisors (see below), whose sum is σ = 1479799790784. Its totient is φ = 1314804545280.

The previous prime is 1397284260301. The next prime is 1397284260341. The reversal of 1397284260311 is 1130624827931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1397284260311 - 2⁶ = 1397284260247 is a prime.

It is a super-2 number, since 2×1397284260311² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1397284260301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8873510 + ... + 9029603.

It is an arithmetic number, because the mean of its divisors is an integer number (184974973848).

Almost surely, 2^{1397284260311} is an apocalyptic number.

1397284260311 is a deficient number, since it is larger than the sum of its proper divisors (82515530473).

1397284260311 is a wasteful number, since it uses less digits than its factorization.

1397284260311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17907721.

The product of its (nonzero) digits is 435456, while the sum is 47.

The spelling of 1397284260311 in words is "one trillion, three hundred ninety-seven billion, two hundred eighty-four million, two hundred sixty thousand, three hundred eleven".