85901681481 has 16 divisors (see below), whose sum is σ = 142797600768. Its totient is φ = 44624250000.

The previous prime is 85901681461. The next prime is 85901681539. The reversal of 85901681481 is 18418610958.

It is not a de Polignac number, because 85901681481 - 2¹⁵ = 85901648713 is a prime.

It is a super-2 number, since 2×85901681481² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85901681461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185934145 + ... + 185934606.

It is an arithmetic number, because the mean of its divisors is an integer number (8924850048).

Almost surely, 2^85901681481 is an apocalyptic number.

It is an amenable number.

85901681481 is a deficient number, since it is larger than the sum of its proper divisors (56895919287).

85901681481 is a wasteful number, since it uses less digits than its factorization.

85901681481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371868772.

The product of its (nonzero) digits is 552960, while the sum is 51.

The spelling of 85901681481 in words is "eighty-five billion, nine hundred one million, six hundred eighty-one thousand, four hundred eighty-one".