10111231532 has 6 divisors (see below), whose sum is σ = 17694655188. Its totient is φ = 5055615764.

The previous prime is 10111231531. The next prime is 10111231609. The reversal of 10111231532 is 23513211101.

It is a super-2 number, since 2×10111231532² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10111231531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1263903938 + ... + 1263903945.

It is an arithmetic number, because the mean of its divisors is an integer number (2949109198).

Almost surely, 2^10111231532 is an apocalyptic number.

It is an amenable number.

10111231532 is a deficient number, since it is larger than the sum of its proper divisors (7583423656).

10111231532 is a wasteful number, since it uses less digits than its factorization.

10111231532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2527807887 (or 2527807885 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

Adding to 10111231532 its reverse (23513211101), we get a palindrome (33624442633).

The spelling of 10111231532 in words is "ten billion, one hundred eleven million, two hundred thirty-one thousand, five hundred thirty-two".