1151510551 has 2 divisors, whose sum is σ = 1151510552. Its totient is φ = 1151510550.

The previous prime is 1151510537. The next prime is 1151510573. The reversal of 1151510551 is 1550151511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1151510551 - 2⁵ = 1151510519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1151511551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575755275 + 575755276.

It is an arithmetic number, because the mean of its divisors is an integer number (575755276).

Almost surely, 2^1151510551 is an apocalyptic number.

1151510551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151510551 is an equidigital number, since it uses as much as digits as its factorization.

1151510551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 625, while the sum is 25.

The square root of 1151510551 is about 33933.9144662092. The cubic root of 1151510551 is about 1048.1480737761.

The spelling of 1151510551 in words is "one billion, one hundred fifty-one million, five hundred ten thousand, five hundred fifty-one".