1351715502645 has 32 divisors (see below), whose sum is σ = 2416474684800. Its totient is φ = 716887464192.

The previous prime is 1351715502637. The next prime is 1351715502679. The reversal of 1351715502645 is 5462055171531.

1351715502645 is a `hidden beast` number, since 1 + 3 + 5 + 1 + 71 + 550 + 26 + 4 + 5 = 666.

It is not a de Polignac number, because 1351715502645 - 2³ = 1351715502637 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1351715502645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27944292 + ... + 27992621.

It is an arithmetic number, because the mean of its divisors is an integer number (75514833900).

Almost surely, 2^{1351715502645} is an apocalyptic number.

1351715502645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1351715502645 is a deficient number, since it is larger than the sum of its proper divisors (1064759182155).

1351715502645 is a wasteful number, since it uses less digits than its factorization.

1351715502645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55937106 (or 55937100 counting only the distinct ones).

The product of its (nonzero) digits is 630000, while the sum is 45.

The spelling of 1351715502645 in words is "one trillion, three hundred fifty-one billion, seven hundred fifteen million, five hundred two thousand, six hundred forty-five".