11125511455 has 8 divisors (see below), whose sum is σ = 13379204592. Its totient is φ = 8881348608.

The previous prime is 11125511437. The next prime is 11125511471. The reversal of 11125511455 is 55411552111.

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 11125511455 - 2⁹ = 11125510943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2380002 + ... + 2384671.

It is an arithmetic number, because the mean of its divisors is an integer number (1672400574).

Almost surely, 2^11125511455 is an apocalyptic number.

11125511455 is a deficient number, since it is larger than the sum of its proper divisors (2253693137).

11125511455 is an equidigital number, since it uses as much as digits as its factorization.

11125511455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4765145.

The product of its digits is 5000, while the sum is 31.

The spelling of 11125511455 in words is "eleven billion, one hundred twenty-five million, five hundred eleven thousand, four hundred fifty-five".