11501631311046 has 16 divisors (see below), whose sum is σ = 23318375809584. Its totient is φ = 3781358239104.

The previous prime is 11501631311029. The next prime is 11501631311083. The reversal of 11501631311046 is 64011313610511.

It is a super-2 number, since 2×11501631311046² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11501631310998 and 11501631311016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13129715671 + ... + 13129716546.

It is an arithmetic number, because the mean of its divisors is an integer number (1457398488099).

Almost surely, 2^{11501631311046} is an apocalyptic number.

11501631311046 is an abundant number, since it is smaller than the sum of its proper divisors (11816744498538).

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

11501631311046 is a wasteful number, since it uses less digits than its factorization.

11501631311046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26259432295.

The product of its (nonzero) digits is 6480, while the sum is 33.

Adding to 11501631311046 its reverse (64011313610511), we get a palindrome (75512944921557).

The spelling of 11501631311046 in words is "eleven trillion, five hundred one billion, six hundred thirty-one million, three hundred eleven thousand, forty-six".