1351705121045 has 32 divisors (see below), whose sum is σ = 1687664018304. Its totient is φ = 1038478291200.

The previous prime is 1351705121023. The next prime is 1351705121147. The reversal of 1351705121045 is 5401215071531.

It is not a de Polignac number, because 1351705121045 - 2⁶ = 1351705120981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1351705120996 and 1351705121014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34354754 + ... + 34394076.

It is an arithmetic number, because the mean of its divisors is an integer number (52739500572).

Almost surely, 2^{1351705121045} is an apocalyptic number.

It is an amenable number.

1351705121045 is a deficient number, since it is larger than the sum of its proper divisors (335958897259).

1351705121045 is a wasteful number, since it uses less digits than its factorization.

1351705121045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42053.

The product of its (nonzero) digits is 21000, while the sum is 35.

The spelling of 1351705121045 in words is "one trillion, three hundred fifty-one billion, seven hundred five million, one hundred twenty-one thousand, forty-five".