11012555777851 has 4 divisors (see below), whose sum is σ = 11281154699304. Its totient is φ = 10743956856400.

The previous prime is 11012555777837. The next prime is 11012555777857. The reversal of 11012555777851 is 15877755521011.

It is a happy number.

11012555777851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11012555777851 - 2⁷ = 11012555777723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11012555777792 and 11012555777801.

It is not an unprimeable number, because it can be changed into a prime (11012555777857) 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, 134299460665 + ... + 134299460746.

It is an arithmetic number, because the mean of its divisors is an integer number (2820288674826).

Almost surely, 2^{11012555777851} is an apocalyptic number.

11012555777851 is a deficient number, since it is larger than the sum of its proper divisors (268598921453).

11012555777851 is an equidigital number, since it uses as much as digits as its factorization.

11012555777851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268598921452.

The product of its (nonzero) digits is 3430000, while the sum is 55.

The spelling of 11012555777851 in words is "eleven trillion, twelve billion, five hundred fifty-five million, seven hundred seventy-seven thousand, eight hundred fifty-one".