1078987925898 has 32 divisors (see below), whose sum is σ = 2538795121920. Its totient is φ = 338506015680.

The previous prime is 1078987925863. The next prime is 1078987925941. The reversal of 1078987925898 is 8985297898701.

1078987925898 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 15 ways as a sum of consecutive naturals, for example, 587683138 + ... + 587684973.

It is an arithmetic number, because the mean of its divisors is an integer number (79337347560).

Almost surely, 2^{1078987925898} is an apocalyptic number.

1078987925898 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1078987925898 is an abundant number, since it is smaller than the sum of its proper divisors (1459807196022).

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

1078987925898 is a wasteful number, since it uses less digits than its factorization.

1078987925898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175368139 (or 1175368133 counting only the distinct ones).

The product of its (nonzero) digits is 1463132160, while the sum is 81.

The spelling of 1078987925898 in words is "one trillion, seventy-eight billion, nine hundred eighty-seven million, nine hundred twenty-five thousand, eight hundred ninety-eight".