11161200151558 has 4 divisors (see below), whose sum is σ = 16741800227340. Its totient is φ = 5580600075778.

The previous prime is 11161200151501. The next prime is 11161200151559. The reversal of 11161200151558 is 85515100216111.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11161200151559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2790300037888 + ... + 2790300037891.

It is an arithmetic number, because the mean of its divisors is an integer number (4185450056835).

Almost surely, 2^{11161200151558} is an apocalyptic number.

11161200151558 is a deficient number, since it is larger than the sum of its proper divisors (5580600075782).

11161200151558 is an equidigital number, since it uses as much as digits as its factorization.

11161200151558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5580600075781.

The product of its (nonzero) digits is 12000, while the sum is 37.

Adding to 11161200151558 its reverse (85515100216111), we get a palindrome (96676300367669).

The spelling of 11161200151558 in words is "eleven trillion, one hundred sixty-one billion, two hundred million, one hundred fifty-one thousand, five hundred fifty-eight".