1002151141540 has 12 divisors (see below), whose sum is σ = 2104517397276. Its totient is φ = 400860456608.

The previous prime is 1002151141531. The next prime is 1002151141547. The reversal of 1002151141540 is 451411512001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 122742319716 + 879408821824 = 350346^2 + 937768^2 .

It is a super-2 number, since 2×1002151141540² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1002151141547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25053778519 + ... + 25053778558.

It is an arithmetic number, because the mean of its divisors is an integer number (175376449773).

Almost surely, 2^{1002151141540} is an apocalyptic number.

1002151141540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002151141540 is an abundant number, since it is smaller than the sum of its proper divisors (1102366255736).

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

1002151141540 is a wasteful number, since it uses less digits than its factorization.

1002151141540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50107557086 (or 50107557084 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 25.

Adding to 1002151141540 its reverse (451411512001), we get a palindrome (1453562653541).

The spelling of 1002151141540 in words is "one trillion, two billion, one hundred fifty-one million, one hundred forty-one thousand, five hundred forty".