1116156770521 has 8 divisors (see below), whose sum is σ = 1211190672384. Its totient is φ = 1022433681360.

The previous prime is 1116156770479. The next prime is 1116156770527. The reversal of 1116156770521 is 1250776516111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1116156770521 - 2²³ = 1116148381913 is a prime.

It is a super-2 number, since 2×1116156770521² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1116156770527) 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, 327701401 + ... + 327704806.

It is an arithmetic number, because the mean of its divisors is an integer number (151398834048).

Almost surely, 2^{1116156770521} is an apocalyptic number.

It is an amenable number.

1116156770521 is a deficient number, since it is larger than the sum of its proper divisors (95033901863).

1116156770521 is a wasteful number, since it uses less digits than its factorization.

1116156770521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655406351.

The product of its (nonzero) digits is 88200, while the sum is 43.

The spelling of 1116156770521 in words is "one trillion, one hundred sixteen billion, one hundred fifty-six million, seven hundred seventy thousand, five hundred twenty-one".