1121153401351 has 4 divisors (see below), whose sum is σ = 1148498606304. Its totient is φ = 1093808196400.

The previous prime is 1121153401331. The next prime is 1121153401387. The reversal of 1121153401351 is 1531043511211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1121153401351 - 2⁷ = 1121153401223 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 (1121153401321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13672602415 + ... + 13672602496.

It is an arithmetic number, because the mean of its divisors is an integer number (287124651576).

Almost surely, 2^{1121153401351} is an apocalyptic number.

1121153401351 is a deficient number, since it is larger than the sum of its proper divisors (27345204953).

1121153401351 is an equidigital number, since it uses as much as digits as its factorization.

1121153401351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27345204952.

The product of its (nonzero) digits is 1800, while the sum is 28.

Adding to 1121153401351 its reverse (1531043511211), we get a palindrome (2652196912562).

The spelling of 1121153401351 in words is "one trillion, one hundred twenty-one billion, one hundred fifty-three million, four hundred one thousand, three hundred fifty-one".