11441542155 has 16 divisors (see below), whose sum is σ = 18896999424. Its totient is φ = 5905311840.

The previous prime is 11441542139. The next prime is 11441542157. The reversal of 11441542155 is 55124514411.

It is not a de Polignac number, because 11441542155 - 2⁴ = 11441542139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11441542157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12302269 + ... + 12303198.

It is an arithmetic number, because the mean of its divisors is an integer number (1181062464).

Almost surely, 2^11441542155 is an apocalyptic number.

11441542155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11441542155 is a deficient number, since it is larger than the sum of its proper divisors (7455457269).

11441542155 is a wasteful number, since it uses less digits than its factorization.

11441542155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24605506.

The product of its digits is 16000, while the sum is 33.

The spelling of 11441542155 in words is "eleven billion, four hundred forty-one million, five hundred forty-two thousand, one hundred fifty-five".