11121278897270 has 64 divisors (see below), whose sum is σ = 21881251478016. Its totient is φ = 4051466864640.

The previous prime is 11121278897227. The next prime is 11121278897279. The reversal of 11121278897270 is 7279887212111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121278897279) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76009904 + ... + 76156076.

It is an arithmetic number, because the mean of its divisors is an integer number (341894554344).

Almost surely, 2^{11121278897270} is an apocalyptic number.

11121278897270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11121278897270 is a deficient number, since it is larger than the sum of its proper divisors (10759972580746).

11121278897270 is a wasteful number, since it uses less digits than its factorization.

11121278897270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160665.

The product of its (nonzero) digits is 1580544, while the sum is 56.

The spelling of 11121278897270 in words is "eleven trillion, one hundred twenty-one billion, two hundred seventy-eight million, eight hundred ninety-seven thousand, two hundred seventy".