1101552551 has 8 divisors (see below), whose sum is σ = 1202070144. Its totient is φ = 1001097720.

The previous prime is 1101552523. The next prime is 1101552563. The reversal of 1101552551 is 1552551011.

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 1101552551 - 2¹⁰ = 1101551527 is a prime.

It is a super-2 number, since 2×1101552551² = 2426836045229215202, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1101552551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101552521) 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, 25796 + ... + 53558.

It is an arithmetic number, because the mean of its divisors is an integer number (150258768).

Almost surely, 2^1101552551 is an apocalyptic number.

1101552551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1101552551 is a deficient number, since it is larger than the sum of its proper divisors (100517593).

1101552551 is a wasteful number, since it uses less digits than its factorization.

1101552551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31381.

The product of its (nonzero) digits is 1250, while the sum is 26.

The square root of 1101552551 is about 33189.6452376340. The cubic root of 1101552551 is about 1032.7655439743.

The spelling of 1101552551 in words is "one billion, one hundred one million, five hundred fifty-two thousand, five hundred fifty-one".