1013218365251 has 8 divisors (see below), whose sum is σ = 1048231434000. Its totient is φ = 978210263520.

The previous prime is 1013218365241. The next prime is 1013218365259. The reversal of 1013218365251 is 1525638123101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1013218365251 - 2¹⁴ = 1013218348867 is a prime.

It is a super-2 number, since 2×1013218365251² (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 (1013218365259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 824345 + ... + 1644986.

It is an arithmetic number, because the mean of its divisors is an integer number (131028929250).

Almost surely, 2^{1013218365251} is an apocalyptic number.

1013218365251 is a deficient number, since it is larger than the sum of its proper divisors (35013068749).

1013218365251 is a wasteful number, since it uses less digits than its factorization.

1013218365251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2483509.

The product of its (nonzero) digits is 43200, while the sum is 38.

The spelling of 1013218365251 in words is "one trillion, thirteen billion, two hundred eighteen million, three hundred sixty-five thousand, two hundred fifty-one".