1233511145401 has 16 divisors (see below), whose sum is σ = 1268214298560. Its totient is φ = 1199093575680.

The previous prime is 1233511145387. The next prime is 1233511145429. The reversal of 1233511145401 is 1045411153321.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1233511145401 - 2⁵ = 1233511145369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1233511140401) 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, 8555730 + ... + 8698708.

It is an arithmetic number, because the mean of its divisors is an integer number (79263393660).

Almost surely, 2^{1233511145401} is an apocalyptic number.

It is an amenable number.

1233511145401 is a deficient number, since it is larger than the sum of its proper divisors (34703153159).

1233511145401 is a wasteful number, since it uses less digits than its factorization.

1233511145401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143976.

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 1233511145401 its reverse (1045411153321), we get a palindrome (2278922298722).

The spelling of 1233511145401 in words is "one trillion, two hundred thirty-three billion, five hundred eleven million, one hundred forty-five thousand, four hundred one".