1025510137842 has 32 divisors (see below), whose sum is σ = 2067531120000. Its totient is φ = 339092178048.

The previous prime is 1025510137829. The next prime is 1025510137907. The reversal of 1025510137842 is 2487310155201.

It is a self number, because there is not a number n which added to its sum of digits gives 1025510137842.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 344467 + ... + 1472982.

It is an arithmetic number, because the mean of its divisors is an integer number (64610347500).

Almost surely, 2^{1025510137842} is an apocalyptic number.

1025510137842 is an abundant number, since it is smaller than the sum of its proper divisors (1042020982158).

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

1025510137842 is a wasteful number, since it uses less digits than its factorization.

1025510137842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818210.

The product of its (nonzero) digits is 67200, while the sum is 39.

The spelling of 1025510137842 in words is "one trillion, twenty-five billion, five hundred ten million, one hundred thirty-seven thousand, eight hundred forty-two".