2125166035442 has 8 divisors (see below), whose sum is σ = 3187873442736. Its totient is φ = 1062541554532.

The previous prime is 2125166035393. The next prime is 2125166035483. The reversal of 2125166035442 is 2445306615212.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2125166035442.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20667488 + ... + 20770059.

It is an arithmetic number, because the mean of its divisors is an integer number (398484180342).

Almost surely, 2^{2125166035442} is an apocalyptic number.

2125166035442 is a deficient number, since it is larger than the sum of its proper divisors (1062707407294).

2125166035442 is a wasteful number, since it uses less digits than its factorization.

2125166035442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41463192.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 2125166035442 in words is "two trillion, one hundred twenty-five billion, one hundred sixty-six million, thirty-five thousand, four hundred forty-two".