60812013081 has 4 divisors (see below), whose sum is σ = 81082684112. Its totient is φ = 40541342052.

The previous prime is 60812013079. The next prime is 60812013107. The reversal of 60812013081 is 18031021806.

60812013081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 60812013081 - 2¹ = 60812013079 is a prime.

It is a super-2 number, since 2×60812013081² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60812013001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10135335511 + ... + 10135335516.

It is an arithmetic number, because the mean of its divisors is an integer number (20270671028).

Almost surely, 2^60812013081 is an apocalyptic number.

It is an amenable number.

60812013081 is a deficient number, since it is larger than the sum of its proper divisors (20270671031).

60812013081 is a wasteful number, since it uses less digits than its factorization.

60812013081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20270671030.

The product of its (nonzero) digits is 2304, while the sum is 30.

Adding to 60812013081 its reverse (18031021806), we get a palindrome (78843034887).

The spelling of 60812013081 in words is "sixty billion, eight hundred twelve million, thirteen thousand, eighty-one".