1162265551 has 2 divisors, whose sum is σ = 1162265552. Its totient is φ = 1162265550.

The previous prime is 1162265521. The next prime is 1162265569. The reversal of 1162265551 is 1555622611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1162265551 - 2¹⁵ = 1162232783 is a prime.

It is a super-2 number, since 2×1162265551² = 2701722422082667202, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1162265521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581132775 + 581132776.

It is an arithmetic number, because the mean of its divisors is an integer number (581132776).

Almost surely, 2^1162265551 is an apocalyptic number.

1162265551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1162265551 is an equidigital number, since it uses as much as digits as its factorization.

1162265551 is an evil number, because the sum of its binary digits is even.

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

The square root of 1162265551 is about 34092.0159421528. The cubic root of 1162265551 is about 1051.4011682361.

The spelling of 1162265551 in words is "one billion, one hundred sixty-two million, two hundred sixty-five thousand, five hundred fifty-one".