11320420354 has 4 divisors (see below), whose sum is σ = 16980630534. Its totient is φ = 5660210176.

The previous prime is 11320420339. The next prime is 11320420373. The reversal of 11320420354 is 45302402311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45302402311 = 2011 ⋅22527301.

It can be written as a sum of positive squares in only one way, i.e., 5848119729 + 5472300625 = 76473^2 + 73975^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2830105087 + ... + 2830105090.

Almost surely, 2^11320420354 is an apocalyptic number.

11320420354 is a deficient number, since it is larger than the sum of its proper divisors (5660210180).

11320420354 is an equidigital number, since it uses as much as digits as its factorization.

11320420354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5660210179.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 11320420354 its reverse (45302402311), we get a palindrome (56622822665).

The spelling of 11320420354 in words is "eleven billion, three hundred twenty million, four hundred twenty thousand, three hundred fifty-four".