1025155204142 has 16 divisors (see below), whose sum is σ = 1539392342400. Its totient is φ = 512024671032.

The previous prime is 1025155204063. The next prime is 1025155204189. The reversal of 1025155204142 is 2414025515201.

It is a junction number, because it is equal to n+sod(n) for n = 1025155204099 and 1025155204108.

It is a congruent number.

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, 8537573 + ... + 8656815.

It is an arithmetic number, because the mean of its divisors is an integer number (96212021400).

Almost surely, 2^{1025155204142} is an apocalyptic number.

1025155204142 is a deficient number, since it is larger than the sum of its proper divisors (514237138258).

1025155204142 is a wasteful number, since it uses less digits than its factorization.

1025155204142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123847.

The product of its (nonzero) digits is 16000, while the sum is 32.

The spelling of 1025155204142 in words is "one trillion, twenty-five billion, one hundred fifty-five million, two hundred four thousand, one hundred forty-two".