1351117242705 has 32 divisors (see below), whose sum is σ = 2290619274624. Its totient is φ = 677713734656.

The previous prime is 1351117242703. The next prime is 1351117242737. The reversal of 1351117242705 is 5072427111531.

It is a cyclic number.

It is not a de Polignac number, because 1351117242705 - 2¹ = 1351117242703 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1351117242703) 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, 1579419 + ... + 2279648.

It is an arithmetic number, because the mean of its divisors is an integer number (71581852332).

Almost surely, 2^{1351117242705} is an apocalyptic number.

1351117242705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1351117242705 is a deficient number, since it is larger than the sum of its proper divisors (939502031919).

1351117242705 is a wasteful number, since it uses less digits than its factorization.

1351117242705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3860465.

The product of its (nonzero) digits is 58800, while the sum is 39.

The spelling of 1351117242705 in words is "one trillion, three hundred fifty-one billion, one hundred seventeen million, two hundred forty-two thousand, seven hundred five".