1011481651 has 2 divisors, whose sum is σ = 1011481652. Its totient is φ = 1011481650.

The previous prime is 1011481619. The next prime is 1011481661. The reversal of 1011481651 is 1561841101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1011481651 - 2⁵ = 1011481619 is a prime.

It is not a weakly prime, because it can be changed into another prime (1011481661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505740825 + 505740826.

It is an arithmetic number, because the mean of its divisors is an integer number (505740826).

Almost surely, 2^1011481651 is an apocalyptic number.

1011481651 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011481651 is an equidigital number, since it uses as much as digits as its factorization.

1011481651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 28.

The square root of 1011481651 is about 31803.7993170627. The cubic root of 1011481651 is about 1003.8126621333.

The spelling of 1011481651 in words is "one billion, eleven million, four hundred eighty-one thousand, six hundred fifty-one".