113542122501 has 24 divisors (see below), whose sum is σ = 168029447040. Its totient is φ = 73837972800.

The previous prime is 113542122497. The next prime is 113542122509. The reversal of 113542122501 is 105221245311.

It is a happy number.

113542122501 is a `hidden beast` number, since 1 + 1 + 35 + 4 + 2 + 122 + 501 = 666.

It is not a de Polignac number, because 113542122501 - 2² = 113542122497 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113542122509) 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, 3199666 + ... + 3234956.

It is an arithmetic number, because the mean of its divisors is an integer number (7001226960).

Almost surely, 2^113542122501 is an apocalyptic number.

It is an amenable number.

113542122501 is a deficient number, since it is larger than the sum of its proper divisors (54487324539).

113542122501 is a wasteful number, since it uses less digits than its factorization.

113542122501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44057 (or 44054 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 113542122501 its reverse (105221245311), we get a palindrome (218763367812).

The spelling of 113542122501 in words is "one hundred thirteen billion, five hundred forty-two million, one hundred twenty-two thousand, five hundred one".