1025042105554 has 8 divisors (see below), whose sum is σ = 1557025983360. Its totient is φ = 506033444436.

The previous prime is 1025042105533. The next prime is 1025042105627. The reversal of 1025042105554 is 4555012405201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1025042105554² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3243803974 + ... + 3243804289.

It is an arithmetic number, because the mean of its divisors is an integer number (194628247920).

Almost surely, 2^{1025042105554} is an apocalyptic number.

1025042105554 is a deficient number, since it is larger than the sum of its proper divisors (531983877806).

1025042105554 is an equidigital number, since it uses as much as digits as its factorization.

1025042105554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6487608344.

The product of its (nonzero) digits is 40000, while the sum is 34.

The spelling of 1025042105554 in words is "one trillion, twenty-five billion, forty-two million, one hundred five thousand, five hundred fifty-four".