1025272551550 has 48 divisors (see below), whose sum is σ = 2058155269632. Its totient is φ = 377740886400.

The previous prime is 1025272551491. The next prime is 1025272551571. The reversal of 1025272551550 is 551552725201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1411134 + ... + 2010433.

It is an arithmetic number, because the mean of its divisors is an integer number (42878234784).

Almost surely, 2^{1025272551550} is an apocalyptic number.

1025272551550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1025272551550 is an abundant number, since it is smaller than the sum of its proper divisors (1032882718082).

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

1025272551550 is a wasteful number, since it uses less digits than its factorization.

1025272551550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3422053 (or 3422048 counting only the distinct ones).

The product of its (nonzero) digits is 175000, while the sum is 40.

The spelling of 1025272551550 in words is "one trillion, twenty-five billion, two hundred seventy-two million, five hundred fifty-one thousand, five hundred fifty".