1113161502 has 32 divisors (see below), whose sum is σ = 2298190752. Its totient is φ = 359178624.

The previous prime is 1113161473. The next prime is 1113161503. The reversal of 1113161502 is 2051613111.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113161503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31008 + ... + 56460.

It is an arithmetic number, because the mean of its divisors is an integer number (71818461).

Almost surely, 2^1113161502 is an apocalyptic number.

1113161502 is an abundant number, since it is smaller than the sum of its proper divisors (1185029250).

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

1113161502 is a wasteful number, since it uses less digits than its factorization.

1113161502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25692.

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 1113161502 is about 33364.0750208964. The cubic root of 1113161502 is about 1036.3808812808.

Adding to 1113161502 its reverse (2051613111), we get a palindrome (3164774613).

It can be divided in two parts, 111 and 3161502, that added together give a palindrome (3161613).

The spelling of 1113161502 in words is "one billion, one hundred thirteen million, one hundred sixty-one thousand, five hundred two".