1108257857540 has 12 divisors (see below), whose sum is σ = 2327341500876. Its totient is φ = 443303143008.

The previous prime is 1108257857533. The next prime is 1108257857549. The reversal of 1108257857540 is 457587528011.

It can be written as a sum of positive squares in 2 ways, for example, as 663872966656 + 444384890884 = 814784^2 + 666622^2 .

It is not an unprimeable number, because it can be changed into a prime (1108257857549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27706446419 + ... + 27706446458.

It is an arithmetic number, because the mean of its divisors is an integer number (193945125073).

Almost surely, 2^{1108257857540} is an apocalyptic number.

1108257857540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1108257857540 is an abundant number, since it is smaller than the sum of its proper divisors (1219083643336).

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

1108257857540 is a wasteful number, since it uses less digits than its factorization.

1108257857540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55412892886 (or 55412892884 counting only the distinct ones).

The product of its (nonzero) digits is 3136000, while the sum is 53.

The spelling of 1108257857540 in words is "one trillion, one hundred eight billion, two hundred fifty-seven million, eight hundred fifty-seven thousand, five hundred forty".