4551415155250 has 64 divisors (see below), whose sum is σ = 9174346571520. Its totient is φ = 1684431916800.

The previous prime is 4551415155241. The next prime is 4551415155251. The reversal of 4551415155250 is 525515141554.

It is a junction number, because it is equal to n+sod(n) for n = 4551415155197 and 4551415155206.

It is not an unprimeable number, because it can be changed into a prime (4551415155251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8824854 + ... + 9326353.

It is an arithmetic number, because the mean of its divisors is an integer number (143349165180).

Almost surely, 2^{4551415155250} is an apocalyptic number.

4551415155250 is an abundant number, since it is smaller than the sum of its proper divisors (4622931416270).

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

4551415155250 is a wasteful number, since it uses less digits than its factorization.

4551415155250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18151300 (or 18151290 counting only the distinct ones).

The product of its (nonzero) digits is 500000, while the sum is 43.

The spelling of 4551415155250 in words is "four trillion, five hundred fifty-one billion, four hundred fifteen million, one hundred fifty-five thousand, two hundred fifty".