1045998667455 has 64 divisors (see below), whose sum is σ = 2013567820800. Its totient is φ = 452955110400.

The previous prime is 1045998667453. The next prime is 1045998667471. The reversal of 1045998667455 is 5547668995401.

It is not a de Polignac number, because 1045998667455 - 2¹ = 1045998667453 is a prime.

It is a super-3 number, since 3×1045998667455³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1045998667455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045998667451) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23321091 + ... + 23365899.

It is an arithmetic number, because the mean of its divisors is an integer number (31461997200).

Almost surely, 2^{1045998667455} is an apocalyptic number.

1045998667455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1045998667455 is a deficient number, since it is larger than the sum of its proper divisors (967569153345).

1045998667455 is a wasteful number, since it uses less digits than its factorization.

1045998667455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56544.

The product of its (nonzero) digits is 326592000, while the sum is 69.

The spelling of 1045998667455 in words is "one trillion, forty-five billion, nine hundred ninety-eight million, six hundred sixty-seven thousand, four hundred fifty-five".