11051155525 has 24 divisors (see below), whose sum is σ = 13771707840. Its totient is φ = 8797002240.

The previous prime is 11051155513. The next prime is 11051155547. The reversal of 11051155525 is 52555115011.

It is a happy number.

It is not a de Polignac number, because 11051155525 - 2¹⁹ = 11050631237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4860789 + ... + 4863061.

It is an arithmetic number, because the mean of its divisors is an integer number (573821160).

Almost surely, 2^11051155525 is an apocalyptic number.

It is an amenable number.

11051155525 is a deficient number, since it is larger than the sum of its proper divisors (2720552315).

11051155525 is a wasteful number, since it uses less digits than its factorization.

11051155525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3165 (or 3160 counting only the distinct ones).

The product of its (nonzero) digits is 6250, while the sum is 31.

The spelling of 11051155525 in words is "eleven billion, fifty-one million, one hundred fifty-five thousand, five hundred twenty-five".