61003826005 has 32 divisors (see below), whose sum is σ = 77712473088. Its totient is φ = 45903936000.

The previous prime is 61003825919. The next prime is 61003826021. The reversal of 61003826005 is 50062830016.

It is not a de Polignac number, because 61003826005 - 2¹⁵ = 61003793237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 844305 + ... + 913705.

It is an arithmetic number, because the mean of its divisors is an integer number (2428514784).

Almost surely, 2^61003826005 is an apocalyptic number.

It is an amenable number.

61003826005 is a deficient number, since it is larger than the sum of its proper divisors (16708647083).

61003826005 is a wasteful number, since it uses less digits than its factorization.

61003826005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69597.

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

The spelling of 61003826005 in words is "sixty-one billion, three million, eight hundred twenty-six thousand, five".