61145360826 has 16 divisors (see below), whose sum is σ = 133408060128. Its totient is φ = 18528897200.

The previous prime is 61145360767. The next prime is 61145360831. The reversal of 61145360826 is 62806354116.

61145360826 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 463222365 + ... + 463222496.

It is an arithmetic number, because the mean of its divisors is an integer number (8338003758).

Almost surely, 2^61145360826 is an apocalyptic number.

61145360826 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

61145360826 is an abundant number, since it is smaller than the sum of its proper divisors (72262699302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61145360826 is a wasteful number, since it uses less digits than its factorization.

61145360826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926444877.

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 61145360826 in words is "sixty-one billion, one hundred forty-five million, three hundred sixty thousand, eight hundred twenty-six".