4451315515050 has 192 divisors, whose sum is σ = 12051343843200. Its totient is φ = 1083022617600.

The previous prime is 4451315515013. The next prime is 4451315515099. The reversal of 4451315515050 is 505155131544.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 32744220 + ... + 32879880.

It is an arithmetic number, because the mean of its divisors is an integer number (62767415850).

Almost surely, 2^{4451315515050} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4451315515050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6025671921600).

4451315515050 is an abundant number, since it is smaller than the sum of its proper divisors (7600028328150).

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

4451315515050 is a wasteful number, since it uses less digits than its factorization.

4451315515050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136121 (or 136116 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 39.

The spelling of 4451315515050 in words is "four trillion, four hundred fifty-one billion, three hundred fifteen million, five hundred fifteen thousand, fifty".