61383504001 has 4 divisors (see below), whose sum is σ = 64994298372. Its totient is φ = 57772709632.

The previous prime is 61383503989. The next prime is 61383504029. The reversal of 61383504001 is 10040538316.

61383504001 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 22552830976 + 38830673025 = 150176^2 + 197055^2 .

It is a cyclic number.

It is not a de Polignac number, because 61383504001 - 2²⁵ = 61349949569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61383504031) 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, 1805397160 + ... + 1805397193.

It is an arithmetic number, because the mean of its divisors is an integer number (16248574593).

Almost surely, 2^61383504001 is an apocalyptic number.

It is an amenable number.

61383504001 is a deficient number, since it is larger than the sum of its proper divisors (3610794371).

61383504001 is a wasteful number, since it uses less digits than its factorization.

61383504001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3610794370.

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 61383504001 in words is "sixty-one billion, three hundred eighty-three million, five hundred four thousand, one".