11551110355097 has 8 divisors (see below), whose sum is σ = 11559087270120. Its totient is φ = 11543135869440.

The previous prime is 11551110355093. The next prime is 11551110355217. The reversal of 11551110355097 is 79055301115511.

It can be written as a sum of positive squares in 4 ways, for example, as 1424229814921 + 10126880540176 = 1193411^2 + 3182276^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11551110355097 - 2² = 11551110355093 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11551110355091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8957429 + ... + 10165517.

It is an arithmetic number, because the mean of its divisors is an integer number (1444885908765).

Almost surely, 2^{11551110355097} is an apocalyptic number.

It is an amenable number.

11551110355097 is a deficient number, since it is larger than the sum of its proper divisors (7976915023).

11551110355097 is a wasteful number, since it uses less digits than its factorization.

11551110355097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214683.

The product of its (nonzero) digits is 118125, while the sum is 44.

The spelling of 11551110355097 in words is "eleven trillion, five hundred fifty-one billion, one hundred ten million, three hundred fifty-five thousand, ninety-seven".