1113546551 has 16 divisors (see below), whose sum is σ = 1216101600. Its totient is φ = 1013472768.

The previous prime is 1113546407. The next prime is 1113546601. The reversal of 1113546551 is 1556453111.

It is a cyclic number.

It is not a de Polignac number, because 1113546551 - 2²² = 1109352247 is a prime.

It is a super-4 number, since 4×1113546551⁴ (a number of 37 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113546151) 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 15 ways as a sum of consecutive naturals, for example, 483635 + ... + 485931.

It is an arithmetic number, because the mean of its divisors is an integer number (76006350).

Almost surely, 2^1113546551 is an apocalyptic number.

1113546551 is a deficient number, since it is larger than the sum of its proper divisors (102555049).

1113546551 is a wasteful number, since it uses less digits than its factorization.

1113546551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2818.

The product of its digits is 9000, while the sum is 32.

The square root of 1113546551 is about 33369.8449352106. The cubic root of 1113546551 is about 1036.5003642184.

Adding to 1113546551 its reverse (1556453111), we get a palindrome (2669999662).

The spelling of 1113546551 in words is "one billion, one hundred thirteen million, five hundred forty-six thousand, five hundred fifty-one".