1446172040551 has 16 divisors (see below), whose sum is σ = 1656742118400. Its totient is φ = 1236598897248.

The previous prime is 1446172040479. The next prime is 1446172040557. The reversal of 1446172040551 is 1550402716441.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1446172040551 - 2¹³ = 1446172032359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1446172040557) 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, 4969410 + ... + 5252368.

It is an arithmetic number, because the mean of its divisors is an integer number (103546382400).

Almost surely, 2^{1446172040551} is an apocalyptic number.

1446172040551 is a deficient number, since it is larger than the sum of its proper divisors (210570077849).

1446172040551 is a wasteful number, since it uses less digits than its factorization.

1446172040551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284718.

The product of its (nonzero) digits is 134400, while the sum is 40.

Adding to 1446172040551 its reverse (1550402716441), we get a palindrome (2996574756992).

The spelling of 1446172040551 in words is "one trillion, four hundred forty-six billion, one hundred seventy-two million, forty thousand, five hundred fifty-one".