113142511405 has 48 divisors (see below), whose sum is σ = 173437338240. Its totient is φ = 70063056000.

The previous prime is 113142511387. The next prime is 113142511457. The reversal of 113142511405 is 504115241311.

It is a happy number.

It is not a de Polignac number, because 113142511405 - 2¹⁹ = 113141987117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 267931 + ... + 545959.

It is an arithmetic number, because the mean of its divisors is an integer number (3613277880).

Almost surely, 2^113142511405 is an apocalyptic number.

It is an amenable number.

113142511405 is a deficient number, since it is larger than the sum of its proper divisors (60294826835).

113142511405 is a wasteful number, since it uses less digits than its factorization.

113142511405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278210 (or 278203 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 28.

Adding to 113142511405 its reverse (504115241311), we get a palindrome (617257752716).

The spelling of 113142511405 in words is "one hundred thirteen billion, one hundred forty-two million, five hundred eleven thousand, four hundred five".