11522355554 has 8 divisors (see below), whose sum is σ = 18193193040. Its totient is φ = 5457957876.

The previous prime is 11522355491. The next prime is 11522355569. The reversal of 11522355554 is 45555322511.

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

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 303219883 = 11522355554 / (1 + 1 + 5 + 2 + 2 + 3 + 5 + 5 + 5 + 5 + 4).

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, 151609904 + ... + 151609979.

It is an arithmetic number, because the mean of its divisors is an integer number (2274149130).

Almost surely, 2^11522355554 is an apocalyptic number.

11522355554 is a deficient number, since it is larger than the sum of its proper divisors (6670837486).

11522355554 is a wasteful number, since it uses less digits than its factorization.

11522355554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303219904.

The product of its digits is 150000, while the sum is 38.

The spelling of 11522355554 in words is "eleven billion, five hundred twenty-two million, three hundred fifty-five thousand, five hundred fifty-four".