11012721270 has 16 divisors (see below), whose sum is σ = 26430531120. Its totient is φ = 2936725664.

The previous prime is 11012721257. The next prime is 11012721277. The reversal of 11012721270 is 7212721011.

It is a self number, because there is not a number n which added to its sum of digits gives 11012721270.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012721277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183545325 + ... + 183545384.

It is an arithmetic number, because the mean of its divisors is an integer number (1651908195).

Almost surely, 2^11012721270 is an apocalyptic number.

11012721270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11012721270 is an abundant number, since it is smaller than the sum of its proper divisors (15417809850).

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

11012721270 is a wasteful number, since it uses less digits than its factorization.

11012721270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367090719.

The product of its (nonzero) digits is 392, while the sum is 24.

The spelling of 11012721270 in words is "eleven billion, twelve million, seven hundred twenty-one thousand, two hundred seventy".