1010655551 has 2 divisors, whose sum is σ = 1010655552. Its totient is φ = 1010655550.

The previous prime is 1010655509. The next prime is 1010655557. The reversal of 1010655551 is 1555560101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1010655551 is a prime.

It is a super-2 number, since 2×1010655551² = 2042849285534227202, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1010655557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505327775 + 505327776.

It is an arithmetic number, because the mean of its divisors is an integer number (505327776).

Almost surely, 2^1010655551 is an apocalyptic number.

1010655551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010655551 is an equidigital number, since it uses as much as digits as its factorization.

1010655551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3750, while the sum is 29.

The square root of 1010655551 is about 31790.8092221636. The cubic root of 1010655551 is about 1003.5393088476.

The spelling of 1010655551 in words is "one billion, ten million, six hundred fifty-five thousand, five hundred fifty-one".