1151340425 has 12 divisors (see below), whose sum is σ = 1428217740. Its totient is φ = 920713920.

The previous prime is 1151340383. The next prime is 1151340427. The reversal of 1151340425 is 5240431511.

It can be written as a sum of positive squares in 6 ways, for example, as 192571129 + 958769296 = 13877^2 + 30964^2 .

It is not a de Polignac number, because 1151340425 - 2⁶ = 1151340361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1151340394 and 1151340403.

It is not an unprimeable number, because it can be changed into a prime (1151340427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70319 + ... + 85131.

It is an arithmetic number, because the mean of its divisors is an integer number (119018145).

Almost surely, 2^1151340425 is an apocalyptic number.

It is an amenable number.

1151340425 is a deficient number, since it is larger than the sum of its proper divisors (276877315).

1151340425 is a wasteful number, since it uses less digits than its factorization.

1151340425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17932 (or 17927 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1151340425 is about 33931.4076483720. The cubic root of 1151340425 is about 1048.0964528795.

Adding to 1151340425 its reverse (5240431511), we get a palindrome (6391771936).

The spelling of 1151340425 in words is "one billion, one hundred fifty-one million, three hundred forty thousand, four hundred twenty-five".