1355011245 has 24 divisors (see below), whose sum is σ = 2684213376. Its totient is φ = 619433568.

The previous prime is 1355011237. The next prime is 1355011249. The reversal of 1355011245 is 5421105531.

1355011245 is a `hidden beast` number, since 1 + 35 + 501 + 124 + 5 = 666.

It is not a de Polignac number, because 1355011245 - 2³ = 1355011237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355011249) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2150497 + ... + 2151126.

It is an arithmetic number, because the mean of its divisors is an integer number (111842224).

Almost surely, 2^1355011245 is an apocalyptic number.

1355011245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1355011245 is a deficient number, since it is larger than the sum of its proper divisors (1329202131).

1355011245 is a wasteful number, since it uses less digits than its factorization.

1355011245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4301641 (or 4301638 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 1355011245 is about 36810.4773807676. The cubic root of 1355011245 is about 1106.5752857462.

Adding to 1355011245 its reverse (5421105531), we get a palindrome (6776116776).

The spelling of 1355011245 in words is "one billion, three hundred fifty-five million, eleven thousand, two hundred forty-five".