11044403142021 has 16 divisors (see below), whose sum is σ = 16367102524800. Its totient is φ = 7360674719904.

The previous prime is 11044403141957. The next prime is 11044403142023. The reversal of 11044403142021 is 12024130444011.

11044403142021 is a `hidden beast` number, since 1 + 1 + 0 + 4 + 440 + 3 + 14 + 202 + 1 = 666.

It is not a de Polignac number, because 11044403142021 - 2⁶ = 11044403141957 is a prime.

It is a super-3 number, since 3×11044403142021³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11044403142023) 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, 62707881 + ... + 62883758.

It is an arithmetic number, because the mean of its divisors is an integer number (1022943907800).

Almost surely, 2^{11044403142021} is an apocalyptic number.

It is an amenable number.

11044403142021 is a deficient number, since it is larger than the sum of its proper divisors (5322699382779).

11044403142021 is a wasteful number, since it uses less digits than its factorization.

11044403142021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125594905 (or 125594899 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 11044403142021 its reverse (12024130444011), we get a palindrome (23068533586032).

The spelling of 11044403142021 in words is "eleven trillion, forty-four billion, four hundred three million, one hundred forty-two thousand, twenty-one".