11550202220531 has 8 divisors (see below), whose sum is σ = 12438710635344. Its totient is φ = 10661698280160.

The previous prime is 11550202220519. The next prime is 11550202220651. The reversal of 11550202220531 is 13502220205511.

It is a happy number.

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 11550202220531 - 2¹⁴ = 11550202204147 is a prime.

It is a super-2 number, since 2×11550202220531² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11550202220494 and 11550202220503.

It is not an unprimeable number, because it can be changed into a prime (11550202240531) 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, 5851136 + ... + 7572066.

It is an arithmetic number, because the mean of its divisors is an integer number (1554838829418).

Almost surely, 2^{11550202220531} is an apocalyptic number.

11550202220531 is a deficient number, since it is larger than the sum of its proper divisors (888508414813).

11550202220531 is a wasteful number, since it uses less digits than its factorization.

11550202220531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2237221.

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 11550202220531 in words is "eleven trillion, five hundred fifty billion, two hundred two million, two hundred twenty thousand, five hundred thirty-one".