1351245079019 has 16 divisors (see below), whose sum is σ = 1494130869504. Its totient is φ = 1211745520800.

The previous prime is 1351245078919. The next prime is 1351245079021. The reversal of 1351245079019 is 9109705421531.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1351245079019 - 2¹⁶ = 1351245013483 is a prime.

It is a super-2 number, since 2×1351245079019² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1351245073019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 537047 + ... + 1729424.

It is an arithmetic number, because the mean of its divisors is an integer number (93383179344).

Almost surely, 2^{1351245079019} is an apocalyptic number.

1351245079019 is a deficient number, since it is larger than the sum of its proper divisors (142885790485).

1351245079019 is a wasteful number, since it uses less digits than its factorization.

1351245079019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2267218.

The product of its (nonzero) digits is 340200, while the sum is 47.

The spelling of 1351245079019 in words is "one trillion, three hundred fifty-one billion, two hundred forty-five million, seventy-nine thousand, nineteen".