1025105243442 has 32 divisors (see below), whose sum is σ = 2352901478400. Its totient is φ = 291661740048.

The previous prime is 1025105243441. The next prime is 1025105243453. The reversal of 1025105243442 is 2443425015201.

1025105243442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1025105243441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51051192 + ... + 51071267.

It is an arithmetic number, because the mean of its divisors is an integer number (73528171200).

Almost surely, 2^{1025105243442} is an apocalyptic number.

1025105243442 is an abundant number, since it is smaller than the sum of its proper divisors (1327796234958).

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

1025105243442 is a wasteful number, since it uses less digits than its factorization.

1025105243442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102122710.

The product of its (nonzero) digits is 38400, while the sum is 33.

The spelling of 1025105243442 in words is "one trillion, twenty-five billion, one hundred five million, two hundred forty-three thousand, four hundred forty-two".