11385146955 has 64 divisors (see below), whose sum is σ = 23143292928. Its totient is φ = 4649287680.

The previous prime is 11385146923. The next prime is 11385146963. The reversal of 11385146955 is 55964158311.

It is not a de Polignac number, because 11385146955 - 2⁵ = 11385146923 is a prime.

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, 92214 + ... + 176843.

It is an arithmetic number, because the mean of its divisors is an integer number (361613952).

Almost surely, 2^11385146955 is an apocalyptic number.

11385146955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11385146955 is an abundant number, since it is smaller than the sum of its proper divisors (11758145973).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11385146955 is a wasteful number, since it uses less digits than its factorization.

11385146955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269116.

The product of its digits is 648000, while the sum is 48.

The spelling of 11385146955 in words is "eleven billion, three hundred eighty-five million, one hundred forty-six thousand, nine hundred fifty-five".