1311485294097 has 32 divisors (see below), whose sum is σ = 2159564146560. Its totient is φ = 779842589760.

The previous prime is 1311485294071. The next prime is 1311485294177. The reversal of 1311485294097 is 7904925841131.

1311485294097 is a `hidden beast` number, since 1 + 3 + 11 + 485 + 29 + 40 + 97 = 666.

It is not a de Polignac number, because 1311485294097 - 2⁶ = 1311485294033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1311485294027) 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, 41642518 + ... + 41673999.

It is an arithmetic number, because the mean of its divisors is an integer number (67486379580).

Almost surely, 2^{1311485294097} is an apocalyptic number.

It is an amenable number.

1311485294097 is a deficient number, since it is larger than the sum of its proper divisors (848078852463).

1311485294097 is a wasteful number, since it uses less digits than its factorization.

1311485294097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83316590 (or 83316584 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

It can be divided in two parts, 131148 and 5294097, that added together give a palindrome (5425245).

The spelling of 1311485294097 in words is "one trillion, three hundred eleven billion, four hundred eighty-five million, two hundred ninety-four thousand, ninety-seven".