61845524251040 has 96 divisors (see below), whose sum is σ = 154150398864000. Its totient is φ = 23382812740608.

The previous prime is 61845524251031. The next prime is 61845524251129. The reversal of 61845524251040 is 4015242554816.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21836195 + ... + 24505314.

It is an arithmetic number, because the mean of its divisors is an integer number (1605733321500).

Almost surely, 2^{61845524251040} is an apocalyptic number.

It is an amenable number.

61845524251040 is an abundant number, since it is smaller than the sum of its proper divisors (92304874612960).

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

61845524251040 is a wasteful number, since it uses less digits than its factorization.

61845524251040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46341982 (or 46341974 counting only the distinct ones).

The product of its (nonzero) digits is 1536000, while the sum is 47.

The spelling of 61845524251040 in words is "sixty-one trillion, eight hundred forty-five billion, five hundred twenty-four million, two hundred fifty-one thousand, forty".