113211505461 has 8 divisors (see below), whose sum is σ = 150997903264. Its totient is φ = 75449722320.

The previous prime is 113211505447. The next prime is 113211505489. The reversal of 113211505461 is 164505112311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 113211505461 - 2³⁰ = 112137763637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113211505861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6142930 + ... + 6161331.

It is an arithmetic number, because the mean of its divisors is an integer number (18874737908).

Almost surely, 2^113211505461 is an apocalyptic number.

It is an amenable number.

113211505461 is a deficient number, since it is larger than the sum of its proper divisors (37786397803).

113211505461 is a wasteful number, since it uses less digits than its factorization.

113211505461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12307331.

The product of its (nonzero) digits is 3600, while the sum is 30.

Adding to 113211505461 its reverse (164505112311), we get a palindrome (277716617772).

The spelling of 113211505461 in words is "one hundred thirteen billion, two hundred eleven million, five hundred five thousand, four hundred sixty-one".