1061017551 has 48 divisors (see below), whose sum is σ = 1784240640. Its totient is φ = 600773760.

The previous prime is 1061017543. The next prime is 1061017567. The reversal of 1061017551 is 1557101601.

It is a happy number.

1061017551 is a `hidden beast` number, since 1 + 0 + 6 + 101 + 7 + 551 = 666.

It is not a de Polignac number, because 1061017551 - 2³ = 1061017543 is a prime.

It is a super-2 number, since 2×1061017551² = 2251516487060075202, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061017351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 133450 + ... + 141176.

It is an arithmetic number, because the mean of its divisors is an integer number (37171680).

Almost surely, 2^1061017551 is an apocalyptic number.

1061017551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1061017551 is a deficient number, since it is larger than the sum of its proper divisors (723223089).

1061017551 is a wasteful number, since it uses less digits than its factorization.

1061017551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7836 (or 7833 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 27.

The square root of 1061017551 is about 32573.2643589800. The cubic root of 1061017551 is about 1019.9389784717.

The spelling of 1061017551 in words is "one billion, sixty-one million, seventeen thousand, five hundred fifty-one".