1288997185602 has 64 divisors (see below), whose sum is σ = 2952251089920. Its totient is φ = 367539047616.

The previous prime is 1288997185591. The next prime is 1288997185639. The reversal of 1288997185602 is 2065817998821.

It is a super-2 number, since 2×1288997185602² (a number of 25 digits) contains 22 as substring.

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, 56259433 + ... + 56282339.

It is an arithmetic number, because the mean of its divisors is an integer number (46128923280).

Almost surely, 2^{1288997185602} is an apocalyptic number.

1288997185602 is an abundant number, since it is smaller than the sum of its proper divisors (1663253904318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1288997185602 is a wasteful number, since it uses less digits than its factorization.

1288997185602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25575.

The product of its (nonzero) digits is 34836480, while the sum is 66.

The spelling of 1288997185602 in words is "one trillion, two hundred eighty-eight billion, nine hundred ninety-seven million, one hundred eighty-five thousand, six hundred two".