61043000354308 has 96 divisors (see below), whose sum is σ = 136298260224000. Its totient is φ = 23287527184896.

The previous prime is 61043000354293. The next prime is 61043000354311. The reversal of 61043000354308 is 80345300034016.

It is a super-2 number, since 2×61043000354308² (a number of 28 digits) contains 22 as substring.

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, 216666 + ... + 11051377.

It is an arithmetic number, because the mean of its divisors is an integer number (1419773544000).

Almost surely, 2^{61043000354308} is an apocalyptic number.

61043000354308 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61043000354308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68149130112000).

61043000354308 is an abundant number, since it is smaller than the sum of its proper divisors (75255259869692).

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

61043000354308 is a wasteful number, since it uses less digits than its factorization.

61043000354308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11268689 (or 11268687 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 61043000354308 in words is "sixty-one trillion, forty-three billion, three hundred fifty-four thousand, three hundred eight".