45031131051111 has 24 divisors (see below), whose sum is σ = 67148249126400. Its totient is φ = 29050154355600.

The previous prime is 45031131051107. The next prime is 45031131051131. The reversal of 45031131051111 is 11115013113054.

It is a happy number.

45031131051111 is a `hidden beast` number, since 4 + 5 + 0 + 3 + 1 + 131 + 0 + 511 + 11 = 666.

It is not a de Polignac number, because 45031131051111 - 2² = 45031131051107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45031131051131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2363661 + ... + 9780038.

It is an arithmetic number, because the mean of its divisors is an integer number (2797843713600).

Almost surely, 2^{45031131051111} is an apocalyptic number.

45031131051111 is a deficient number, since it is larger than the sum of its proper divisors (22117118075289).

45031131051111 is a wasteful number, since it uses less digits than its factorization.

45031131051111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12157027 (or 12157024 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 27.

Adding to 45031131051111 its reverse (11115013113054), we get a palindrome (56146144164165).

The spelling of 45031131051111 in words is "forty-five trillion, thirty-one billion, one hundred thirty-one million, fifty-one thousand, one hundred eleven".