1025423054500 has 96 divisors (see below), whose sum is σ = 2412185709024. Its totient is φ = 378556416000.

The previous prime is 1025423054477. The next prime is 1025423054573. The reversal of 1025423054500 is 54503245201.

It can be written as a sum of positive squares in 16 ways, for example, as 937829549056 + 87593505444 = 968416^2 + 295962^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67806940 + ... + 67822060.

It is an arithmetic number, because the mean of its divisors is an integer number (25126934469).

Almost surely, 2^{1025423054500} is an apocalyptic number.

1025423054500 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 1025423054500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1206092854512).

1025423054500 is an abundant number, since it is smaller than the sum of its proper divisors (1386762654524).

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

1025423054500 is a wasteful number, since it uses less digits than its factorization.

1025423054500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25586 (or 25574 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 1025423054500 its reverse (54503245201), we get a palindrome (1079926299701).

The spelling of 1025423054500 in words is "one trillion, twenty-five billion, four hundred twenty-three million, fifty-four thousand, five hundred".