113302155478 has 4 divisors (see below), whose sum is σ = 169953233220. Its totient is φ = 56651077738.

The previous prime is 113302155467. The next prime is 113302155493. The reversal of 113302155478 is 874551203311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 874551203311 = 43 ⋅20338400077.

It is a self number, because there is not a number n which added to its sum of digits gives 113302155478.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28325538868 + ... + 28325538871.

It is an arithmetic number, because the mean of its divisors is an integer number (42488308305).

Almost surely, 2^113302155478 is an apocalyptic number.

113302155478 is a deficient number, since it is larger than the sum of its proper divisors (56651077742).

113302155478 is an equidigital number, since it uses as much as digits as its factorization.

113302155478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56651077741.

The product of its (nonzero) digits is 100800, while the sum is 40.

Adding to 113302155478 its reverse (874551203311), we get a palindrome (987853358789).

The spelling of 113302155478 in words is "one hundred thirteen billion, three hundred two million, one hundred fifty-five thousand, four hundred seventy-eight".