10021181485 has 8 divisors (see below), whose sum is σ = 13743334656. Its totient is φ = 6871667280.

The previous prime is 10021181479. The next prime is 10021181503. The reversal of 10021181485 is 58418112001.

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

It is not a de Polignac number, because 10021181485 - 2¹¹ = 10021179437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143159701 + ... + 143159770.

It is an arithmetic number, because the mean of its divisors is an integer number (1717916832).

Almost surely, 2^10021181485 is an apocalyptic number.

It is an amenable number.

10021181485 is a deficient number, since it is larger than the sum of its proper divisors (3722153171).

10021181485 is an equidigital number, since it uses as much as digits as its factorization.

10021181485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286319483.

The product of its (nonzero) digits is 2560, while the sum is 31.

Adding to 10021181485 its reverse (58418112001), we get a palindrome (68439293486).

The spelling of 10021181485 in words is "ten billion, twenty-one million, one hundred eighty-one thousand, four hundred eighty-five".