61105010845 has 8 divisors (see below), whose sum is σ = 73731130200. Its totient is φ = 48613930560.

The previous prime is 61105010833. The next prime is 61105010861. The reversal of 61105010845 is 54801050116.

61105010845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7270802361 + 53834208484 = 85269^2 + 232022^2 .

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

It is not a de Polignac number, because 61105010845 - 2⁹ = 61105010333 is a prime.

It is a super-2 number, since 2×61105010845² (a number of 22 digits) contains 22 as substring.

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, 33758770 + ... + 33760579.

It is an arithmetic number, because the mean of its divisors is an integer number (9216391275).

Almost surely, 2^61105010845 is an apocalyptic number.

It is an amenable number.

61105010845 is a deficient number, since it is larger than the sum of its proper divisors (12626119355).

61105010845 is a wasteful number, since it uses less digits than its factorization.

61105010845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67519535.

The product of its (nonzero) digits is 4800, while the sum is 31.

The spelling of 61105010845 in words is "sixty-one billion, one hundred five million, ten thousand, eight hundred forty-five".