11151501005 has 4 divisors (see below), whose sum is σ = 13381801212. Its totient is φ = 8921200800.

The previous prime is 11151500977. The next prime is 11151501029. The reversal of 11151501005 is 50010515111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50010515111 = 47 ⋅1064053513.

It can be written as a sum of positive squares in 2 ways, for example, as 4222270441 + 6929230564 = 64979^2 + 83242^2 .

It is not a de Polignac number, because 11151501005 - 2⁸ = 11151500749 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 3 ways as a sum of consecutive naturals, for example, 1115150096 + ... + 1115150105.

It is an arithmetic number, because the mean of its divisors is an integer number (3345450303).

Almost surely, 2^11151501005 is an apocalyptic number.

It is an amenable number.

11151501005 is a deficient number, since it is larger than the sum of its proper divisors (2230300207).

11151501005 is an equidigital number, since it uses as much as digits as its factorization.

11151501005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2230300206.

The product of its (nonzero) digits is 125, while the sum is 20.

The spelling of 11151501005 in words is "eleven billion, one hundred fifty-one million, five hundred one thousand, five".