1401155355 has 8 divisors (see below), whose sum is σ = 2241848592. Its totient is φ = 747282848.

The previous prime is 1401155341. The next prime is 1401155359. The reversal of 1401155355 is 5535511041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1401155355 - 2⁴ = 1401155339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1401155359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46705164 + ... + 46705193.

It is an arithmetic number, because the mean of its divisors is an integer number (280231074).

Almost surely, 2^1401155355 is an apocalyptic number.

1401155355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1401155355 is a deficient number, since it is larger than the sum of its proper divisors (840693237).

1401155355 is an equidigital number, since it uses as much as digits as its factorization.

1401155355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93410365.

The product of its (nonzero) digits is 7500, while the sum is 30.

The square root of 1401155355 is about 37432.0097643715. The cubic root of 1401155355 is about 1118.9965914822.

Adding to 1401155355 its reverse (5535511041), we get a palindrome (6936666396).

The spelling of 1401155355 in words is "one billion, four hundred one million, one hundred fifty-five thousand, three hundred fifty-five".