55111263124637 has 4 divisors (see below), whose sum is σ = 55158650282400. Its totient is φ = 55063875966876.

The previous prime is 55111263124601. The next prime is 55111263124639. The reversal of 55111263124637 is 73642136211155.

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.

It is a cyclic number.

It is not a de Polignac number, because 55111263124637 - 2¹⁶ = 55111263059101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55111263124591 and 55111263124600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55111263124639) 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, 23693577137 + ... + 23693579462.

It is an arithmetic number, because the mean of its divisors is an integer number (13789662570600).

Almost surely, 2^{55111263124637} is an apocalyptic number.

It is an amenable number.

55111263124637 is a deficient number, since it is larger than the sum of its proper divisors (47387157763).

55111263124637 is a wasteful number, since it uses less digits than its factorization.

55111263124637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47387157762.

The product of its digits is 907200, while the sum is 47.

The spelling of 55111263124637 in words is "fifty-five trillion, one hundred eleven billion, two hundred sixty-three million, one hundred twenty-four thousand, six hundred thirty-seven".