1311485294151 has 20 divisors (see below), whose sum is σ = 1965051222024. Its totient is φ = 871682050800.

The previous prime is 1311485294071. The next prime is 1311485294177. The reversal of 1311485294151 is 1514925841131.

1311485294151 is a `hidden beast` number, since 1 + 3 + 11 + 485 + 2 + 9 + 4 + 151 = 666.

It is not a de Polignac number, because 1311485294151 - 2¹⁰ = 1311485293127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1311485294097 and 1311485294106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311485295151) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 24431160 + ... + 24484781.

Almost surely, 2^{1311485294151} is an apocalyptic number.

1311485294151 is a deficient number, since it is larger than the sum of its proper divisors (653565927873).

1311485294151 is an equidigital number, since it uses as much as digits as its factorization.

1311485294151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48916284 (or 48916275 counting only the distinct ones).

The product of its digits is 172800, while the sum is 45.

The spelling of 1311485294151 in words is "one trillion, three hundred eleven billion, four hundred eighty-five million, two hundred ninety-four thousand, one hundred fifty-one".