1142900648878 has 16 divisors (see below), whose sum is σ = 1815709122000. Its totient is φ = 537683310976.

The previous prime is 1142900648867. The next prime is 1142900648951. The reversal of 1142900648878 is 8788460092411.

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, 4637128 + ... + 4877371.

It is an arithmetic number, because the mean of its divisors is an integer number (113481820125).

Almost surely, 2^{1142900648878} is an apocalyptic number.

1142900648878 is a deficient number, since it is larger than the sum of its proper divisors (672808473122).

1142900648878 is a wasteful number, since it uses less digits than its factorization.

1142900648878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9518051.

The product of its (nonzero) digits is 6193152, while the sum is 58.

The spelling of 1142900648878 in words is "one trillion, one hundred forty-two billion, nine hundred million, six hundred forty-eight thousand, eight hundred seventy-eight".