11418974655 has 64 divisors (see below), whose sum is σ = 20177786880. Its totient is φ = 5468288000.

The previous prime is 11418974653. The next prime is 11418974687. The reversal of 11418974655 is 55647981411.

It is not a de Polignac number, because 11418974655 - 2¹ = 11418974653 is a prime.

Its product of digits (1209600) is a multiple of the sum of its prime divisors (1792).

It is a junction number, because it is equal to n+sod(n) for n = 11418974598 and 11418974607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11418974653) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11981659 + ... + 11982611.

It is an arithmetic number, because the mean of its divisors is an integer number (315277920).

Almost surely, 2^11418974655 is an apocalyptic number.

11418974655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11418974655 is a deficient number, since it is larger than the sum of its proper divisors (8758812225).

11418974655 is a wasteful number, since it uses less digits than its factorization.

11418974655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792.

The product of its digits is 1209600, while the sum is 51.

The spelling of 11418974655 in words is "eleven billion, four hundred eighteen million, nine hundred seventy-four thousand, six hundred fifty-five".