1025311552320 has 112 divisors (see below), whose sum is σ = 3551306413248. Its totient is φ = 248560373760.

The previous prime is 1025311552313. The next prime is 1025311552357. The reversal of 1025311552320 is 232551135201.

1025311552320 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48536389 + ... + 48557508.

Almost surely, 2^{1025311552320} is an apocalyptic number.

1025311552320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1025311552320 is an abundant number, since it is smaller than the sum of its proper divisors (2525994860928).

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

1025311552320 is a wasteful number, since it uses less digits than its factorization.

1025311552320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97093928 (or 97093918 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 1025311552320 its reverse (232551135201), we get a palindrome (1257862687521).

The spelling of 1025311552320 in words is "one trillion, twenty-five billion, three hundred eleven million, five hundred fifty-two thousand, three hundred twenty".