1404112201551 has 16 divisors (see below), whose sum is σ = 2080202817120. Its totient is φ = 936058334400.

The previous prime is 1404112201529. The next prime is 1404112201573. The reversal of 1404112201551 is 1551022114041.

1404112201551 is a `hidden beast` number, since 1 + 40 + 41 + 12 + 20 + 1 + 551 = 666.

It is an interprime number because it is at equal distance from previous prime (1404112201529) and next prime (1404112201573).

It is not a de Polignac number, because 1404112201551 - 2⁷ = 1404112201423 is a prime.

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 (1404112200551) 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, 1217371 + ... + 2071283.

It is an arithmetic number, because the mean of its divisors is an integer number (130012676070).

Almost surely, 2^{1404112201551} is an apocalyptic number.

1404112201551 is a deficient number, since it is larger than the sum of its proper divisors (676090615569).

1404112201551 is an equidigital number, since it uses as much as digits as its factorization.

1404112201551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914823 (or 914817 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

Adding to 1404112201551 its reverse (1551022114041), we get a palindrome (2955134315592).

The spelling of 1404112201551 in words is "one trillion, four hundred four billion, one hundred twelve million, two hundred one thousand, five hundred fifty-one".