61541063892320 has 48 divisors (see below), whose sum is σ = 145391309652960. Its totient is φ = 24616333077504.

The previous prime is 61541063892247. The next prime is 61541063892331. The reversal of 61541063892320 is 2329836014516.

It is a super-2 number, since 2×61541063892320² (a number of 28 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, 55751516 + ... + 56844644.

It is an arithmetic number, because the mean of its divisors is an integer number (3028985617770).

Almost surely, 2^{61541063892320} is an apocalyptic number.

It is an amenable number.

61541063892320 is an abundant number, since it is smaller than the sum of its proper divisors (83850245760640).

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

61541063892320 is a wasteful number, since it uses less digits than its factorization.

61541063892320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445007 (or 1444999 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 50.

The spelling of 61541063892320 in words is "sixty-one trillion, five hundred forty-one billion, sixty-three million, eight hundred ninety-two thousand, three hundred twenty".