61324776001 has 4 divisors (see below), whose sum is σ = 61326850900. Its totient is φ = 61322701104.

The previous prime is 61324775999. The next prime is 61324776047. The reversal of 61324776001 is 10067742316.

61324776001 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.

It can be written as a sum of positive squares in 2 ways, for example, as 59049486001 + 2275290000 = 243001^2 + 47700^2 .

It is a cyclic number.

It is not a de Polignac number, because 61324776001 - 2¹ = 61324775999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61324774001) 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, 992466 + ... + 1052443.

It is an arithmetic number, because the mean of its divisors is an integer number (15331712725).

Almost surely, 2^61324776001 is an apocalyptic number.

It is an amenable number.

61324776001 is a deficient number, since it is larger than the sum of its proper divisors (2074899).

61324776001 is a wasteful number, since it uses less digits than its factorization.

61324776001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2074898.

The product of its (nonzero) digits is 42336, while the sum is 37.

The spelling of 61324776001 in words is "sixty-one billion, three hundred twenty-four million, seven hundred seventy-six thousand, one".