1351277231157 has 24 divisors (see below), whose sum is σ = 2252336970624. Its totient is φ = 764661730464.

The previous prime is 1351277231123. The next prime is 1351277231173. The reversal of 1351277231157 is 7511327721531.

1351277231157 is a `hidden beast` number, since 1 + 3 + 512 + 7 + 72 + 3 + 11 + 57 = 666.

It is not a de Polignac number, because 1351277231157 - 2¹⁰ = 1351277230133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351277231107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104114118 + ... + 104127095.

It is an arithmetic number, because the mean of its divisors is an integer number (93847373776).

Almost surely, 2^{1351277231157} is an apocalyptic number.

It is an amenable number.

1351277231157 is a deficient number, since it is larger than the sum of its proper divisors (901059739467).

1351277231157 is a wasteful number, since it uses less digits than its factorization.

1351277231157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208241329 (or 208241326 counting only the distinct ones).

The product of its digits is 308700, while the sum is 45.

The spelling of 1351277231157 in words is "one trillion, three hundred fifty-one billion, two hundred seventy-seven million, two hundred thirty-one thousand, one hundred fifty-seven".