11350215131 has 4 divisors (see below), whose sum is σ = 11354680992. Its totient is φ = 11345749272.

The previous prime is 11350215103. The next prime is 11350215157. The reversal of 11350215131 is 13151205311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13151205311 = 18049 ⋅728639.

It is a cyclic number.

It is not a de Polignac number, because 11350215131 - 2¹⁰ = 11350214107 is a prime.

It is a super-2 number, since 2×11350215131² (a number of 21 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 = 11350215097 and 11350215106.

It is not an unprimeable number, because it can be changed into a prime (11350815131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2229116 + ... + 2234201.

It is an arithmetic number, because the mean of its divisors is an integer number (2838670248).

Almost surely, 2^11350215131 is an apocalyptic number.

11350215131 is a deficient number, since it is larger than the sum of its proper divisors (4465861).

11350215131 is an equidigital number, since it uses as much as digits as its factorization.

11350215131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4465860.

The product of its (nonzero) digits is 450, while the sum is 23.

The spelling of 11350215131 in words is "eleven billion, three hundred fifty million, two hundred fifteen thousand, one hundred thirty-one".