1151425501 has 2 divisors, whose sum is σ = 1151425502. Its totient is φ = 1151425500.

The previous prime is 1151425481. The next prime is 1151425549. The reversal of 1151425501 is 1055241511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1148532100 + 2893401 = 33890^2 + 1701^2 .

It is an emirp because it is prime and its reverse (1055241511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1151425501 - 2²⁷ = 1017207773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1151425801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575712750 + 575712751.

It is an arithmetic number, because the mean of its divisors is an integer number (575712751).

Almost surely, 2^1151425501 is an apocalyptic number.

It is an amenable number.

1151425501 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151425501 is an equidigital number, since it uses as much as digits as its factorization.

1151425501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1000, while the sum is 25.

The square root of 1151425501 is about 33932.6612719957. The cubic root of 1151425501 is about 1048.1222679080.

The spelling of 1151425501 in words is "one billion, one hundred fifty-one million, four hundred twenty-five thousand, five hundred one".