1025155201242 has 16 divisors (see below), whose sum is σ = 2056860918720. Its totient is φ = 340626647712.

The previous prime is 1025155201229. The next prime is 1025155201289. The reversal of 1025155201242 is 2421025515201.

1025155201242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272936142 + ... + 272939897.

It is an arithmetic number, because the mean of its divisors is an integer number (128553807420).

Almost surely, 2^{1025155201242} is an apocalyptic number.

1025155201242 is an abundant number, since it is smaller than the sum of its proper divisors (1031705717478).

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

1025155201242 is a wasteful number, since it uses less digits than its factorization.

1025155201242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545876357.

The product of its (nonzero) digits is 8000, while the sum is 30.

The spelling of 1025155201242 in words is "one trillion, twenty-five billion, one hundred fifty-five million, two hundred one thousand, two hundred forty-two".