11156052554 has 8 divisors (see below), whose sum is σ = 16887602820. Its totient is φ = 5526851616.

The previous prime is 11156052529. The next prime is 11156052619. The reversal of 11156052554 is 45525065111.

It can be written as a sum of positive squares in 2 ways, for example, as 10612090225 + 543962329 = 103015^2 + 23323^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 25587059 + ... + 25587494.

Almost surely, 2^11156052554 is an apocalyptic number.

11156052554 is a deficient number, since it is larger than the sum of its proper divisors (5731550266).

11156052554 is a wasteful number, since it uses less digits than its factorization.

11156052554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51174664.

The product of its (nonzero) digits is 30000, while the sum is 35.

The spelling of 11156052554 in words is "eleven billion, one hundred fifty-six million, fifty-two thousand, five hundred fifty-four".