11445511355535 has 16 divisors (see below), whose sum is σ = 19390042767456. Its totient is φ = 5745197856768.

The previous prime is 11445511355461. The next prime is 11445511355563. The reversal of 11445511355535 is 53555311554411.

It is not a de Polignac number, because 11445511355535 - 2²³ = 11445502966927 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22442178874 + ... + 22442179383.

It is an arithmetic number, because the mean of its divisors is an integer number (1211877672966).

Almost surely, 2^{11445511355535} is an apocalyptic number.

11445511355535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11445511355535 is a deficient number, since it is larger than the sum of its proper divisors (7944531411921).

11445511355535 is a wasteful number, since it uses less digits than its factorization.

11445511355535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44884358282.

The product of its digits is 2250000, while the sum is 48.

The spelling of 11445511355535 in words is "eleven trillion, four hundred forty-five billion, five hundred eleven million, three hundred fifty-five thousand, five hundred thirty-five".