1011231511324 has 12 divisors (see below), whose sum is σ = 1770103981744. Its totient is φ = 505487516544.

The previous prime is 1011231511291. The next prime is 1011231511343. The reversal of 1011231511324 is 4231151321101.

It is a super-2 number, since 2×1011231511324² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32042037 + ... + 32073580.

Almost surely, 2^{1011231511324} is an apocalyptic number.

It is an amenable number.

1011231511324 is a deficient number, since it is larger than the sum of its proper divisors (758872470420).

1011231511324 is a wasteful number, since it uses less digits than its factorization.

1011231511324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64119564 (or 64119562 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

Adding to 1011231511324 its reverse (4231151321101), we get a palindrome (5242382832425).

The spelling of 1011231511324 in words is "one trillion, eleven billion, two hundred thirty-one million, five hundred eleven thousand, three hundred twenty-four".