1485172351520 has 384 divisors, whose sum is σ = 4225342786560. Its totient is φ = 489045872640.

The previous prime is 1485172351499. The next prime is 1485172351567. The reversal of 1485172351520 is 251532715841.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 204932537 + ... + 204939783.

It is an arithmetic number, because the mean of its divisors is an integer number (11003496840).

Almost surely, 2^{1485172351520} is an apocalyptic number.

1485172351520 is a gapful number since it is divisible by the number (10) 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 1485172351520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2112671393280).

1485172351520 is an abundant number, since it is smaller than the sum of its proper divisors (2740170435040).

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

1485172351520 is a wasteful number, since it uses less digits than its factorization.

1485172351520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7365 (or 7331 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 44.

The spelling of 1485172351520 in words is "one trillion, four hundred eighty-five billion, one hundred seventy-two million, three hundred fifty-one thousand, five hundred twenty".