11151005251 has 8 divisors (see below), whose sum is σ = 11341693440. Its totient is φ = 10960373448.

The previous prime is 11151005221. The next prime is 11151005303. The reversal of 11151005251 is 15250015111.

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 11151005251 - 2¹¹ = 11151003203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11151005221) 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, 645610 + ... + 662656.

It is an arithmetic number, because the mean of its divisors is an integer number (1417711680).

Almost surely, 2^11151005251 is an apocalyptic number.

11151005251 is a deficient number, since it is larger than the sum of its proper divisors (190688189).

11151005251 is a wasteful number, since it uses less digits than its factorization.

11151005251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28193.

The product of its (nonzero) digits is 250, while the sum is 22.

The spelling of 11151005251 in words is "eleven billion, one hundred fifty-one million, five thousand, two hundred fifty-one".