1161151220310 has 64 divisors (see below), whose sum is σ = 2796262110720. Its totient is φ = 308585249280.

The previous prime is 1161151220297. The next prime is 1161151220353. The reversal of 1161151220310 is 130221511611.

It is a super-2 number, since 2×1161151220310² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70927806 + ... + 70944174.

It is an arithmetic number, because the mean of its divisors is an integer number (43691595480).

Almost surely, 2^{1161151220310} is an apocalyptic number.

1161151220310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1161151220310 is an abundant number, since it is smaller than the sum of its proper divisors (1635110890410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1161151220310 is a wasteful number, since it uses less digits than its factorization.

1161151220310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24293.

The product of its (nonzero) digits is 360, while the sum is 24.

Adding to 1161151220310 its reverse (130221511611), we get a palindrome (1291372731921).

The spelling of 1161151220310 in words is "one trillion, one hundred sixty-one billion, one hundred fifty-one million, two hundred twenty thousand, three hundred ten".