11553311451 has 8 divisors (see below), whose sum is σ = 16804816704. Its totient is φ = 7002006920.

The previous prime is 11553311417. The next prime is 11553311453. The reversal of 11553311451 is 15411335511.

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 11553311451 - 2⁶ = 11553311387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11553311453) 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, 175050141 + ... + 175050206.

It is an arithmetic number, because the mean of its divisors is an integer number (2100602088).

Almost surely, 2^11553311451 is an apocalyptic number.

11553311451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11553311451 is a deficient number, since it is larger than the sum of its proper divisors (5251505253).

11553311451 is a wasteful number, since it uses less digits than its factorization.

11553311451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350100361.

The product of its digits is 4500, while the sum is 30.

Adding to 11553311451 its reverse (15411335511), we get a palindrome (26964646962).

The spelling of 11553311451 in words is "eleven billion, five hundred fifty-three million, three hundred eleven thousand, four hundred fifty-one".