1156216221158 has 16 divisors (see below), whose sum is σ = 1794215283840. Its totient is φ = 558423672000.

The previous prime is 1156216221131. The next prime is 1156216221161. The reversal of 1156216221158 is 8511226126511.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69794678 + ... + 69811241.

It is an arithmetic number, because the mean of its divisors is an integer number (112138455240).

Almost surely, 2^{1156216221158} is an apocalyptic number.

1156216221158 is a deficient number, since it is larger than the sum of its proper divisors (637999062682).

1156216221158 is a wasteful number, since it uses less digits than its factorization.

1156216221158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139606063.

The product of its digits is 57600, while the sum is 41.

The spelling of 1156216221158 in words is "one trillion, one hundred fifty-six billion, two hundred sixteen million, two hundred twenty-one thousand, one hundred fifty-eight".