1113656501 has 4 divisors (see below), whose sum is σ = 1114682112. Its totient is φ = 1112630892.

The previous prime is 1113656491. The next prime is 1113656543. The reversal of 1113656501 is 1056563111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1056563111 = 31 ⋅34082681.

It is a cyclic number.

It is not a de Polignac number, because 1113656501 - 2¹⁴ = 1113640117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113656581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 511175 + ... + 513348.

It is an arithmetic number, because the mean of its divisors is an integer number (278670528).

Almost surely, 2^1113656501 is an apocalyptic number.

It is an amenable number.

1113656501 is a deficient number, since it is larger than the sum of its proper divisors (1025611).

1113656501 is a wasteful number, since it uses less digits than its factorization.

1113656501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025610.

The product of its (nonzero) digits is 2700, while the sum is 29.

The square root of 1113656501 is about 33371.4923400198. The cubic root of 1113656501 is about 1036.5344772854.

The spelling of 1113656501 in words is "one billion, one hundred thirteen million, six hundred fifty-six thousand, five hundred one".