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2545315511 is a prime number
BaseRepresentation
bin1001011110110110…
…0110111010110111
320120101110102110212
42113231212322313
520203100044021
61100322540035
7120034552634
oct22755467267
96511412425
102545315511
111096845242
125b050761b
1331743756b
141a208918b
15ed6cc85b
hex97b66eb7

2545315511 has 2 divisors, whose sum is σ = 2545315512. Its totient is φ = 2545315510.

The previous prime is 2545315489. The next prime is 2545315523. The reversal of 2545315511 is 1155135452.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2545315511 is a prime.

It is a super-3 number, since 3×25453155113 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2545315541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272657755 + 1272657756.

It is an arithmetic number, because the mean of its divisors is an integer number (1272657756).

Almost surely, 22545315511 is an apocalyptic number.

2545315511 is a deficient number, since it is larger than the sum of its proper divisors (1).

2545315511 is an equidigital number, since it uses as much as digits as its factorization.

2545315511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15000, while the sum is 32.

The square root of 2545315511 is about 50451.1200172999. The cubic root of 2545315511 is about 1365.3601023207.

The spelling of 2545315511 in words is "two billion, five hundred forty-five million, three hundred fifteen thousand, five hundred eleven".