11072541551 has 4 divisors (see below), whose sum is σ = 11072982504. Its totient is φ = 11072100600.

The previous prime is 11072541547. The next prime is 11072541569. The reversal of 11072541551 is 15514527011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15514527011 = 263 ⋅58990597.

It is a cyclic number.

It is not a de Polignac number, because 11072541551 - 2² = 11072541547 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11072511551) 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, 180380 + ... + 233841.

It is an arithmetic number, because the mean of its divisors is an integer number (2768245626).

Almost surely, 2^11072541551 is an apocalyptic number.

11072541551 is a deficient number, since it is larger than the sum of its proper divisors (440953).

11072541551 is an equidigital number, since it uses as much as digits as its factorization.

11072541551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440952.

The product of its (nonzero) digits is 7000, while the sum is 32.

The spelling of 11072541551 in words is "eleven billion, seventy-two million, five hundred forty-one thousand, five hundred fifty-one".