11345520055 has 8 divisors (see below), whose sum is σ = 13714001712. Its totient is φ = 9010164288.

The previous prime is 11345520037. The next prime is 11345520073. The reversal of 11345520055 is 55002554311.

It is an interprime number because it is at equal distance from previous prime (11345520037) and next prime (11345520073).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11345520055 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11345519999 and 11345520026.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8280717 + ... + 8282086.

It is an arithmetic number, because the mean of its divisors is an integer number (1714250214).

Almost surely, 2^11345520055 is an apocalyptic number.

11345520055 is a deficient number, since it is larger than the sum of its proper divisors (2368481657).

11345520055 is a wasteful number, since it uses less digits than its factorization.

11345520055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16562945.

The product of its (nonzero) digits is 15000, while the sum is 31.

The spelling of 11345520055 in words is "eleven billion, three hundred forty-five million, five hundred twenty thousand, fifty-five".