1001386503481 has 8 divisors (see below), whose sum is σ = 1232475696704. Its totient is φ = 792305804880.

The previous prime is 1001386503479. The next prime is 1001386503527. The reversal of 1001386503481 is 1843056831001.

It is a happy number.

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 1001386503481 - 2¹ = 1001386503479 is a prime.

It is a super-2 number, since 2×1001386503481² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1001386501481) 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, 5502123555 + ... + 5502123736.

It is an arithmetic number, because the mean of its divisors is an integer number (154059462088).

Almost surely, 2^{1001386503481} is an apocalyptic number.

It is an amenable number.

1001386503481 is a deficient number, since it is larger than the sum of its proper divisors (231089193223).

1001386503481 is a wasteful number, since it uses less digits than its factorization.

1001386503481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11004247311.

The product of its (nonzero) digits is 69120, while the sum is 40.

The spelling of 1001386503481 in words is "one trillion, one billion, three hundred eighty-six million, five hundred three thousand, four hundred eighty-one".