1115211233554 has 16 divisors (see below), whose sum is σ = 1824913766016. Its totient is φ = 506907903600.

The previous prime is 1115211233537. The next prime is 1115211233557. The reversal of 1115211233554 is 4553321125111.

It is not an unprimeable number, because it can be changed into a prime (1115211233557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1819159 + ... + 2353669.

It is an arithmetic number, because the mean of its divisors is an integer number (114057110376).

Almost surely, 2^{1115211233554} is an apocalyptic number.

1115211233554 is a deficient number, since it is larger than the sum of its proper divisors (709702532462).

1115211233554 is a wasteful number, since it uses less digits than its factorization.

1115211233554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629361.

The product of its digits is 18000, while the sum is 34.

Adding to 1115211233554 its reverse (4553321125111), we get a palindrome (5668532358665).

The spelling of 1115211233554 in words is "one trillion, one hundred fifteen billion, two hundred eleven million, two hundred thirty-three thousand, five hundred fifty-four".