1025052997550 has 48 divisors (see below), whose sum is σ = 2038351135392. Its totient is φ = 382155648000.

The previous prime is 1025052997519. The next prime is 1025052997589. The reversal of 1025052997550 is 557992505201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (50).

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, 5766551 + ... + 5941650.

It is an arithmetic number, because the mean of its divisors is an integer number (42465648654).

Almost surely, 2^{1025052997550} is an apocalyptic number.

1025052997550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1025052997550 is a deficient number, since it is larger than the sum of its proper divisors (1013298137842).

1025052997550 is a wasteful number, since it uses less digits than its factorization.

1025052997550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11708333 (or 11708328 counting only the distinct ones).

The product of its (nonzero) digits is 1417500, while the sum is 50.

The spelling of 1025052997550 in words is "one trillion, twenty-five billion, fifty-two million, nine hundred ninety-seven thousand, five hundred fifty".