11363240655 has 64 divisors (see below), whose sum is σ = 21820955520. Its totient is φ = 5577320448.

The previous prime is 11363240639. The next prime is 11363240671. The reversal of 11363240655 is 55604236311.

11363240655 is a `hidden beast` number, since 1 + 1 + 363 + 240 + 6 + 55 = 666.

It is an interprime number because it is at equal distance from previous prime (11363240639) and next prime (11363240671).

It is not a de Polignac number, because 11363240655 - 2⁴ = 11363240639 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 581829 + ... + 601041.

It is an arithmetic number, because the mean of its divisors is an integer number (340952430).

Almost surely, 2^11363240655 is an apocalyptic number.

11363240655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11363240655 is a deficient number, since it is larger than the sum of its proper divisors (10457714865).

11363240655 is a wasteful number, since it uses less digits than its factorization.

11363240655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19577 (or 19571 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

Adding to 11363240655 its reverse (55604236311), we get a palindrome (66967476966).

The spelling of 11363240655 in words is "eleven billion, three hundred sixty-three million, two hundred forty thousand, six hundred fifty-five".