11020540051 has 8 divisors (see below), whose sum is σ = 11206921104. Its totient is φ = 10834343520.

The previous prime is 11020540049. The next prime is 11020540057. The reversal of 11020540051 is 15004502011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11020540051 - 2¹ = 11020540049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11020540057) 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, 77085 + ... + 167281.

It is an arithmetic number, because the mean of its divisors is an integer number (1400865138).

Almost surely, 2^11020540051 is an apocalyptic number.

11020540051 is a deficient number, since it is larger than the sum of its proper divisors (186381053).

11020540051 is an equidigital number, since it uses as much as digits as its factorization.

11020540051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92261.

The product of its (nonzero) digits is 200, while the sum is 19.

The spelling of 11020540051 in words is "eleven billion, twenty million, five hundred forty thousand, fifty-one".